diff --git a/mocha.opts b/mocha.opts
index af6b17a845..427b029758 100644
--- a/mocha.opts
+++ b/mocha.opts
@@ -1,2 +1 @@
---bail
 test/test.js
\ No newline at end of file
diff --git a/test/runtime/samples/binding-audio-currenttime-duration-volume/_config.js b/test/runtime/samples/binding-audio-currenttime-duration-volume/_config.js
index 907c512b5d..f59edf3a78 100644
--- a/test/runtime/samples/binding-audio-currenttime-duration-volume/_config.js
+++ b/test/runtime/samples/binding-audio-currenttime-duration-volume/_config.js
@@ -4,29 +4,28 @@ export default {
 	// instead
 	skip: true,
 
-	test ( assert, component, target, window ) {
-		assert.equal( component.t, 0 );
-		assert.equal( component.d, 0 );
-		assert.equal( component.v, 0.5 );
-		assert.equal( component.paused, true );
+	test(assert, component, target, window) {
+		assert.equal(component.t, 0);
+		assert.equal(component.d, 0);
+		assert.equal(component.v, 0.5);
+		assert.equal(component.paused, true);
 
-		const audio = target.querySelector( 'audio' );
-		const timeupdate = new window.Event( 'timeupdate' );
-		const durationchange = new window.Event( 'durationchange' );
-		const volumechange = new window.Event( 'volumechange' );
+		const audio = target.querySelector('audio');
+		const timeupdate = new window.Event('timeupdate');
+		const durationchange = new window.Event('durationchange');
+		const volumechange = new window.Event('volumechange');
 
 		audio.currentTime = 10;
 		audio.duration = 20;
 		audio.volume = 0.75;
-		audio.dispatchEvent( timeupdate );
-		audio.dispatchEvent( durationchange );
-		audio.dispatchEvent( volumechange );
+		audio.dispatchEvent(timeupdate);
+		audio.dispatchEvent(durationchange);
+		audio.dispatchEvent(volumechange);
 		audio.play();
 
-		assert.equal( component.t, 10 );
-		assert.equal( component.d, 0 ); // not 20, because read-only. Not sure how to test this!
-		assert.equal( component.v, 0.75 );
-		assert.equal( component.paused, true ); // ditto...
-		component.destroy();
+		assert.equal(component.t, 10);
+		assert.equal(component.d, 0); // not 20, because read-only. Not sure how to test this!
+		assert.equal(component.v, 0.75);
+		assert.equal(component.paused, true); // ditto...
 	}
 };
diff --git a/test/runtime/samples/binding-input-with-event/_config.js b/test/runtime/samples/binding-input-with-event/_config.js
index 695f7e7524..976bec326f 100644
--- a/test/runtime/samples/binding-input-with-event/_config.js
+++ b/test/runtime/samples/binding-input-with-event/_config.js
@@ -3,18 +3,16 @@ export default {
 		a: 42
 	},
 
-	test ( assert, component, target, window ) {
-		const input = target.querySelector( 'input' );
-		assert.equal( input.value, '42' );
+	test(assert, component, target, window) {
+		const input = target.querySelector('input');
+		assert.equal(input.value, '42');
 
-		const event = new window.Event( 'input' );
+		const event = new window.Event('input');
 
 		input.value = 43;
-		input.dispatchEvent( event );
+		input.dispatchEvent(event);
 
-		assert.equal( input.value, '43' );
-		assert.equal( component.a, 43 );
-
-		component.destroy();
+		assert.equal(input.value, '43');
+		assert.equal(component.a, 43);
 	}
 };
diff --git a/test/runtime/samples/binding-select-initial-value-undefined/_config.js b/test/runtime/samples/binding-select-initial-value-undefined/_config.js
index f625000edb..aaa2b2f382 100644
--- a/test/runtime/samples/binding-select-initial-value-undefined/_config.js
+++ b/test/runtime/samples/binding-select-initial-value-undefined/_config.js
@@ -13,13 +13,11 @@ export default {
 		<p>selected: a</p>
 	`,
 
-	test ( assert, component, target ) {
-		const select = target.querySelector( 'select' );
-		const options = [ ...target.querySelectorAll( 'option' ) ];
+	test(assert, component, target) {
+		const select = target.querySelector('select');
+		const options = [...target.querySelectorAll('option')];
 
-		assert.equal( select.value, 'a' );
-		assert.ok( options[0].selected );
-
-		component.destroy();
+		assert.equal(select.value, 'a');
+		assert.ok(options[0].selected);
 	}
 };
diff --git a/test/runtime/samples/binding-select-initial-value/_config.js b/test/runtime/samples/binding-select-initial-value/_config.js
index a1091dc8f7..8a2baa879d 100644
--- a/test/runtime/samples/binding-select-initial-value/_config.js
+++ b/test/runtime/samples/binding-select-initial-value/_config.js
@@ -33,7 +33,5 @@ export default {
 
 		assert.equal(select.value, 'b');
 		assert.ok(options[1].selected);
-
-		component.destroy();
 	},
 };
diff --git a/test/runtime/samples/binding-select-late/_config.js b/test/runtime/samples/binding-select-late/_config.js
index 44776897c4..137370b777 100644
--- a/test/runtime/samples/binding-select-late/_config.js
+++ b/test/runtime/samples/binding-select-late/_config.js
@@ -9,24 +9,22 @@ export default {
 		<p>selected: nothing</p>
 	`,
 
-	test ( assert, component, target ) {
+	test(assert, component, target) {
 		component.items = [ 'one', 'two', 'three' ];
 		component.selected = 'two';
 
-		const options = target.querySelectorAll( 'option' );
-		assert.ok( !options[0].selected );
-		assert.ok( options[1].selected );
-		assert.ok( !options[2].selected );
+		const options = target.querySelectorAll('option');
+		assert.ok(!options[0].selected);
+		assert.ok(options[1].selected);
+		assert.ok(!options[2].selected);
 
-		assert.htmlEqual( target.innerHTML, `
+		assert.htmlEqual(target.innerHTML, `
 			<select>
 				<option value='one'>one</option>
 				<option value='two'>two</option>
 				<option value='three'>three</option>
 			</select>
 			<p>selected: two</p>
-		` );
-
-		component.destroy();
+		`);
 	}
 };
diff --git a/test/runtime/samples/component-binding-deep-b/_config.js b/test/runtime/samples/component-binding-deep-b/_config.js
index 35865575b0..378b845f2d 100644
--- a/test/runtime/samples/component-binding-deep-b/_config.js
+++ b/test/runtime/samples/component-binding-deep-b/_config.js
@@ -30,15 +30,15 @@ export default {
 		<pre>ONE SOURCE\nTWO SOURCE</pre>
 	`,
 
-	test ( assert, component, target, window ) {
-		const event = new window.MouseEvent( 'input' );
-		const textarea = target.querySelector( 'textarea' );
+	test(assert, component, target, window) {
+		const event = new window.MouseEvent('input');
+		const textarea = target.querySelector('textarea');
 
 		textarea.value = 'one source changed';
-		textarea.dispatchEvent( event );
+		textarea.dispatchEvent(event);
 
-		assert.equal( component.compiled, 'ONE SOURCE CHANGED\nTWO SOURCE' );
-		assert.htmlEqual( target.innerHTML, `
+		assert.equal(component.compiled, 'ONE SOURCE CHANGED\nTWO SOURCE');
+		assert.htmlEqual(target.innerHTML, `
 			<select>
 				<option value='[object Object]'>One.html</option>
 				<option value='[object Object]'>Two.html</option>
@@ -47,28 +47,28 @@ export default {
 			<textarea></textarea>
 
 			<pre>ONE SOURCE CHANGED\nTWO SOURCE</pre>
-		` );
+		`);
 
-		// const select = target.querySelector( 'select' );
-		// console.log( `select.options[0].selected`, select.options[0].selected )
-		// console.log( `select.options[1].selected`, select.options[1].selected )
-		// console.log( `select.value`, select.value )
-		// console.log( `select.__value`, select.__value )
+		// const select = target.querySelector('select');
+		// console.log(`select.options[0].selected`, select.options[0].selected)
+		// console.log(`select.options[1].selected`, select.options[1].selected)
+		// console.log(`select.value`, select.value)
+		// console.log(`select.__value`, select.__value)
 		// select.options[1].selected = true;
-		// console.log( `select.options[0].selected`, select.options[0].selected )
-		// console.log( `select.options[1].selected`, select.options[1].selected )
-		// console.log( `select.value`, select.value )
-		// console.log( `select.__value`, select.__value )
-		// select.dispatchEvent( new window.Event( 'change' ) );
+		// console.log(`select.options[0].selected`, select.options[0].selected)
+		// console.log(`select.options[1].selected`, select.options[1].selected)
+		// console.log(`select.value`, select.value)
+		// console.log(`select.__value`, select.__value)
+		// select.dispatchEvent(new window.Event('change'));
 		component.selectedComponent = components[1];
 
-		assert.equal( textarea.value, 'two source' );
+		assert.equal(textarea.value, 'two source');
 
 		textarea.value = 'two source changed';
-		textarea.dispatchEvent( event );
+		textarea.dispatchEvent(event);
 
-		assert.equal( component.compiled, 'ONE SOURCE CHANGED\nTWO SOURCE CHANGED' );
-		assert.htmlEqual( target.innerHTML, `
+		assert.equal(component.compiled, 'ONE SOURCE CHANGED\nTWO SOURCE CHANGED');
+		assert.htmlEqual(target.innerHTML, `
 			<select>
 				<option value='[object Object]'>One.html</option>
 				<option value='[object Object]'>Two.html</option>
@@ -77,8 +77,6 @@ export default {
 			<textarea></textarea>
 
 			<pre>ONE SOURCE CHANGED\nTWO SOURCE CHANGED</pre>
-		` );
-
-		component.destroy();
+		`);
 	}
 };
diff --git a/test/runtime/samples/component-binding-each-nested/_config.js b/test/runtime/samples/component-binding-each-nested/_config.js
index fb175e6517..d39b79e094 100644
--- a/test/runtime/samples/component-binding-each-nested/_config.js
+++ b/test/runtime/samples/component-binding-each-nested/_config.js
@@ -11,19 +11,17 @@ export default {
 		<p>foo, bar, baz</p>
 	`,
 
-	test ( assert, component, target, window ) {
-		const event = new window.MouseEvent( 'input' );
-		const inputs = target.querySelectorAll( 'input' );
+	test(assert, component, target, window) {
+		const event = new window.MouseEvent('input');
+		const inputs = target.querySelectorAll('input');
 
 		inputs[0].value = 'blah';
-		inputs[0].dispatchEvent( event );
+		inputs[0].dispatchEvent(event);
 
-		assert.deepEqual( component.a, [{ name: 'blah' }, { name: 'bar' }, { name: 'baz' }] );
-		assert.htmlEqual( target.innerHTML, `
+		assert.deepEqual(component.a, [{ name: 'blah' }, { name: 'bar' }, { name: 'baz' }]);
+		assert.htmlEqual(target.innerHTML, `
 			<input><input><input>
 			<p>blah, bar, baz</p>
-		` );
-
-		component.destroy();
+		`);
 	}
 };
diff --git a/test/runtime/samples/component-binding-each-object/_config.js b/test/runtime/samples/component-binding-each-object/_config.js
index d09c6009d9..10cd21bb5b 100644
--- a/test/runtime/samples/component-binding-each-object/_config.js
+++ b/test/runtime/samples/component-binding-each-object/_config.js
@@ -7,16 +7,14 @@ export default {
 		<span>foo</span><span>bar</span><span>baz</span>
 	`,
 
-	test ( assert, component, target ) {
+	test(assert, component, target) {
 		component.a = [
 			{ id: 'yep' },
 			{ id: 'nope' }
 		];
 
-		assert.htmlEqual( target.innerHTML, `
+		assert.htmlEqual(target.innerHTML, `
 			<span>yep</span><span>nope</span>
-		` );
-
-		component.destroy();
+		`);
 	}
 };
diff --git a/test/runtime/samples/component-binding-each/_config.js b/test/runtime/samples/component-binding-each/_config.js
index 8206f56c15..c0fc6d136a 100644
--- a/test/runtime/samples/component-binding-each/_config.js
+++ b/test/runtime/samples/component-binding-each/_config.js
@@ -11,19 +11,17 @@ export default {
 		<p>foo, bar, baz</p>
 	`,
 
-	test ( assert, component, target, window ) {
-		const event = new window.MouseEvent( 'input' );
-		const inputs = target.querySelectorAll( 'input' );
+	test(assert, component, target, window) {
+		const event = new window.MouseEvent('input');
+		const inputs = target.querySelectorAll('input');
 
 		inputs[0].value = 'blah';
-		inputs[0].dispatchEvent( event );
+		inputs[0].dispatchEvent(event);
 
-		assert.deepEqual( component.a, [ 'blah', 'bar', 'baz' ] );
-		assert.htmlEqual( target.innerHTML, `
+		assert.deepEqual(component.a, [ 'blah', 'bar', 'baz' ]);
+		assert.htmlEqual(target.innerHTML, `
 			<input><input><input>
 			<p>blah, bar, baz</p>
-		` );
-
-		component.destroy();
+		`);
 	}
 };
diff --git a/test/runtime/samples/component-yield-multiple-in-if/_config.js b/test/runtime/samples/component-yield-multiple-in-if/_config.js
index 5e6e8dbd1c..dd3316aa91 100644
--- a/test/runtime/samples/component-yield-multiple-in-if/_config.js
+++ b/test/runtime/samples/component-yield-multiple-in-if/_config.js
@@ -3,10 +3,8 @@ export default {
 		<div><p class='widget'>Hello</p></div>
 	`,
 
-	test ( assert, component, target ) {
+	test(assert, component, target) {
 		component.arriving = false;
-		assert.htmlEqual( target.innerHTML, `<div><p class='widget'>Goodbye</p></div>` );
-
-		component.destroy();
+		assert.htmlEqual(target.innerHTML, `<div><p class='widget'>Goodbye</p></div>`);
 	}
 };
diff --git a/test/runtime/samples/computed-values-function-dependency/_config.js b/test/runtime/samples/computed-values-function-dependency/_config.js
index 329182d17d..1e11cfb232 100644
--- a/test/runtime/samples/computed-values-function-dependency/_config.js
+++ b/test/runtime/samples/computed-values-function-dependency/_config.js
@@ -5,6 +5,5 @@ export default {
 		component.y = 2;
 		assert.equal(component.x, 4);
 		assert.equal(target.innerHTML, '<p>4</p>');
-		component.destroy();
 	}
 };
diff --git a/test/runtime/samples/computed-values/_config.js b/test/runtime/samples/computed-values/_config.js
index 2aa22ccbfd..55bad498ce 100644
--- a/test/runtime/samples/computed-values/_config.js
+++ b/test/runtime/samples/computed-values/_config.js
@@ -6,6 +6,5 @@ export default {
 		assert.equal(component.c, 5);
 		assert.equal(component.cSquared, 25);
 		assert.equal(target.innerHTML, '<p>3 + 2 = 5</p>\n<p>5 * 5 = 25</p>');
-		component.destroy();
 	}
 };
diff --git a/test/runtime/samples/deconflict-builtins/_config.js b/test/runtime/samples/deconflict-builtins/_config.js
index cfb48c4218..e4d2b21a88 100644
--- a/test/runtime/samples/deconflict-builtins/_config.js
+++ b/test/runtime/samples/deconflict-builtins/_config.js
@@ -1,8 +1,7 @@
 export default {
 	html: `<span>got</span>`,
 
-	test ( assert, component ) {
-		assert.equal( component.foo, 'got' );
-		component.destroy();
+	test(assert, component) {
+		assert.equal(component.foo, 'got');
 	}
 };
\ No newline at end of file
diff --git a/test/runtime/samples/deconflict-non-helpers/_config.js b/test/runtime/samples/deconflict-non-helpers/_config.js
index c06f0f20ec..aac32e09f7 100644
--- a/test/runtime/samples/deconflict-non-helpers/_config.js
+++ b/test/runtime/samples/deconflict-non-helpers/_config.js
@@ -1,8 +1,7 @@
 export default {
 	html: `ABCD`,
 
-	test ( assert, component ) {
-		assert.equal( component.compute, 'ABCD' );
-		component.destroy();
+	test (assert, component) {
+		assert.equal(component.compute, 'ABCD');
 	}
 };
diff --git a/test/runtime/samples/destroy-twice/_config.js b/test/runtime/samples/destroy-twice/_config.js
index 1adc3e3d00..174f244f05 100644
--- a/test/runtime/samples/destroy-twice/_config.js
+++ b/test/runtime/samples/destroy-twice/_config.js
@@ -1,6 +1,6 @@
 export default {
 	test(assert, component) {
-		component.destroy();
-		component.destroy();
+		component.$destroy();
+		component.$destroy();
 	}
 };
\ No newline at end of file
diff --git a/test/runtime/samples/dev-warning-destroy-twice/_config.js b/test/runtime/samples/dev-warning-destroy-twice/_config.js
index 0308833c43..b427081a2c 100644
--- a/test/runtime/samples/dev-warning-destroy-twice/_config.js
+++ b/test/runtime/samples/dev-warning-destroy-twice/_config.js
@@ -11,8 +11,8 @@ export default {
 			warnings.push(warning);
 		};
 
-		component.destroy();
-		component.destroy();
+		component.$destroy();
+		component.$destroy();
 
 		assert.deepEqual(warnings, [
 			`Component was already destroyed`
diff --git a/test/runtime/samples/each-block-keyed-dynamic/_config.js b/test/runtime/samples/each-block-keyed-dynamic/_config.js
index 32d273a163..f0b2db7afd 100644
--- a/test/runtime/samples/each-block-keyed-dynamic/_config.js
+++ b/test/runtime/samples/each-block-keyed-dynamic/_config.js
@@ -11,23 +11,21 @@ export default {
 		<p>drink milk</p>
 	`,
 
-	test ( assert, component, target ) {
-		const [ p1, p2 ] = target.querySelectorAll( 'p' );
+	test(assert, component, target) {
+		const [ p1, p2 ] = target.querySelectorAll('p');
 
 		component.todos = [
 			{ id: 123, description: 'buy beer' },
 			{ id: 234, description: 'drink beer' }
 		];
-		assert.htmlEqual( target.innerHTML, `
+		assert.htmlEqual(target.innerHTML, `
 			<p>buy beer</p>
 			<p>drink beer</p>
-		` );
+		`);
 
-		const [ p3, p4 ] = target.querySelectorAll( 'p' );
+		const [ p3, p4 ] = target.querySelectorAll('p');
 
-		assert.equal( p1, p3 );
-		assert.equal( p2, p4 );
-
-		component.destroy();
+		assert.equal(p1, p3);
+		assert.equal(p2, p4);
 	}
 };
diff --git a/test/runtime/samples/each-block-keyed-unshift/_config.js b/test/runtime/samples/each-block-keyed-unshift/_config.js
index 77a31d4f09..0e91932e22 100644
--- a/test/runtime/samples/each-block-keyed-unshift/_config.js
+++ b/test/runtime/samples/each-block-keyed-unshift/_config.js
@@ -16,7 +16,5 @@ export default {
 			<p>b</p>
 			<p>c</p>
 		`);
-
-		component.destroy();
 	}
 };
diff --git a/test/runtime/samples/each-block-keyed/_config.js b/test/runtime/samples/each-block-keyed/_config.js
index 6bc92c6fe8..3813aebcb0 100644
--- a/test/runtime/samples/each-block-keyed/_config.js
+++ b/test/runtime/samples/each-block-keyed/_config.js
@@ -11,19 +11,17 @@ export default {
 		<p>2: implement client-side hydration</p>
 	`,
 
-	test ( assert, component, target ) {
-		const [ p1, p2 ] = target.querySelectorAll( 'p' );
+	test(assert, component, target) {
+		const [ p1, p2 ] = target.querySelectorAll('p');
 
 		component.todos = [
 			{ id: 234, description: 'implement client-side hydration' }
 		];
-		assert.htmlEqual( target.innerHTML, '<p>1: implement client-side hydration</p>' );
+		assert.htmlEqual(target.innerHTML, '<p>1: implement client-side hydration</p>');
 
-		const [ p3 ] = target.querySelectorAll( 'p' );
+		const [ p3 ] = target.querySelectorAll('p');
 
-		assert.ok( !target.contains( p1 ), 'first <p> element should be removed' );
-		assert.equal( p2, p3, 'second <p> element should be retained' );
-
-		component.destroy();
+		assert.ok(!target.contains(p1), 'first <p> element should be removed');
+		assert.equal(p2, p3, 'second <p> element should be retained');
 	}
 };
diff --git a/test/runtime/samples/event-handler-custom-each-destructured/_config.js b/test/runtime/samples/event-handler-custom-each-destructured/_config.js
index 7498eceb09..5ddf16c72d 100644
--- a/test/runtime/samples/event-handler-custom-each-destructured/_config.js
+++ b/test/runtime/samples/event-handler-custom-each-destructured/_config.js
@@ -8,25 +8,23 @@ export default {
 		<p>second: </p>
 	`,
 
-	test ( assert, component, target, window ) {
-		const event = new window.MouseEvent( 'click' );
+	test(assert, component, target, window) {
+		const event = new window.MouseEvent('click');
 
-		const buttons = target.querySelectorAll( 'button' );
+		const buttons = target.querySelectorAll('button');
 
-		buttons[1].dispatchEvent( event );
+		buttons[1].dispatchEvent(event);
 
-		assert.htmlEqual( target.innerHTML, `
+		assert.htmlEqual(target.innerHTML, `
 			<button>0: foo</button>
 			<button>1: bar</button>
 			<button>2: baz</button>
 
 			<p>first: 1</p>
 			<p>second: bar</p>
-		` );
+		`);
 
-		assert.equal( component.first, '1' );
-		assert.equal( component.second, 'bar' );
-
-		component.destroy();
+		assert.equal(component.first, '1');
+		assert.equal(component.second, 'bar');
 	}
 };
diff --git a/test/runtime/samples/event-handler-custom-each/_config.js b/test/runtime/samples/event-handler-custom-each/_config.js
index fd5dc9184e..38523136a5 100644
--- a/test/runtime/samples/event-handler-custom-each/_config.js
+++ b/test/runtime/samples/event-handler-custom-each/_config.js
@@ -8,25 +8,23 @@ export default {
 		<p>fromState: </p>
 	`,
 
-	test ( assert, component, target, window ) {
-		const event = new window.MouseEvent( 'click' );
+	test(assert, component, target, window) {
+		const event = new window.MouseEvent('click');
 
-		const buttons = target.querySelectorAll( 'button' );
+		const buttons = target.querySelectorAll('button');
 
-		buttons[1].dispatchEvent( event );
+		buttons[1].dispatchEvent(event);
 
-		assert.htmlEqual( target.innerHTML, `
+		assert.htmlEqual(target.innerHTML, `
 			<button>foo</button>
 			<button>bar</button>
 			<button>baz</button>
 
 			<p>fromDom: bar</p>
 			<p>fromState: bar</p>
-		` );
+		`);
 
-		assert.equal( component.fromDom, 'bar' );
-		assert.equal( component.fromState, 'bar' );
-
-		component.destroy();
+		assert.equal(component.fromDom, 'bar');
+		assert.equal(component.fromState, 'bar');
 	}
 };
diff --git a/test/runtime/samples/event-handler-each-deconflicted/_config.js b/test/runtime/samples/event-handler-each-deconflicted/_config.js
index 60661cecec..8bbc14cc3e 100644
--- a/test/runtime/samples/event-handler-each-deconflicted/_config.js
+++ b/test/runtime/samples/event-handler-each-deconflicted/_config.js
@@ -1,7 +1,7 @@
 export default {
 	props: {
-		foo: [ 1 ],
-		bar: [ 2 ],
+		foo: [1],
+		bar: [2],
 		clicked: 'neither'
 	},
 
@@ -11,26 +11,24 @@ export default {
 		<p>clicked: neither</p>
 	`,
 
-	test ( assert, component, target, window ) {
-		const buttons = target.querySelectorAll( 'button' );
-		const event = new window.MouseEvent( 'click' );
+	test(assert, component, target, window) {
+		const buttons = target.querySelectorAll('button');
+		const event = new window.MouseEvent('click');
 
-		buttons[0].dispatchEvent( event );
-		assert.equal( component.clicked, 'foo' );
-		assert.htmlEqual( target.innerHTML, `
+		buttons[0].dispatchEvent(event);
+		assert.equal(component.clicked, 'foo');
+		assert.htmlEqual(target.innerHTML, `
 			<button>foo</button>
 			<button>bar</button>
 			<p>clicked: foo</p>
-		` );
+		`);
 
-		buttons[1].dispatchEvent( event );
-		assert.equal( component.clicked, 'bar' );
-		assert.htmlEqual( target.innerHTML, `
+		buttons[1].dispatchEvent(event);
+		assert.equal(component.clicked, 'bar');
+		assert.htmlEqual(target.innerHTML, `
 			<button>foo</button>
 			<button>bar</button>
 			<p>clicked: bar</p>
-		` );
-
-		component.destroy();
+		`);
 	}
 };
diff --git a/test/runtime/samples/event-handler-each/_config.js b/test/runtime/samples/event-handler-each/_config.js
index fac23c24a0..3710631cd2 100644
--- a/test/runtime/samples/event-handler-each/_config.js
+++ b/test/runtime/samples/event-handler-each/_config.js
@@ -15,18 +15,16 @@ export default {
 		<p>selected: foo</p>
 	`,
 
-	test ( assert, component, target, window ) {
-		const buttons = target.querySelectorAll( 'button' );
-		const event = new window.MouseEvent( 'click' );
+	test(assert, component, target, window) {
+		const buttons = target.querySelectorAll('button');
+		const event = new window.MouseEvent('click');
 
-		buttons[1].dispatchEvent( event );
-		assert.htmlEqual( target.innerHTML, `
+		buttons[1].dispatchEvent(event);
+		assert.htmlEqual(target.innerHTML, `
 			<button>foo</button>
 			<button>bar</button>
 			<button>baz</button>
 			<p>selected: bar</p>
-		` );
-
-		component.destroy();
+		`);
 	}
 };
diff --git a/test/runtime/samples/event-handler-this-methods/main.html b/test/runtime/samples/event-handler-this-methods/main.html
index f97c29369d..29615b46e9 100644
--- a/test/runtime/samples/event-handler-this-methods/main.html
+++ b/test/runtime/samples/event-handler-this-methods/main.html
@@ -1,2 +1,2 @@
 <input class='wont-focus'>
-<input class='will-focus' on:click='{() => event.target.focus()}'>
+<input class='will-focus' on:click='{e => e.target.focus()}'>
diff --git a/test/runtime/samples/events-custom/_config.js b/test/runtime/samples/events-custom/_config.js
index f867c39a5b..c34faf4b61 100644
--- a/test/runtime/samples/events-custom/_config.js
+++ b/test/runtime/samples/events-custom/_config.js
@@ -1,17 +1,15 @@
 export default {
-	test ( assert, component ) {
+	test(assert, component) {
 		let count = 0;
 
 		const expected = { x: 1 };
 
-		component.$on( 'foo', data => {
-			assert.equal( data, expected );
+		component.$on('foo', data => {
+			assert.equal(data, expected);
 			count += 1;
 		});
 
-		component.fire( 'foo', expected );
-		assert.equal( count, 1 );
-
-		component.destroy();
+		component.fire('foo', expected);
+		assert.equal(count, 1);
 	}
 };
diff --git a/test/runtime/samples/function-in-expression/_config.js b/test/runtime/samples/function-in-expression/_config.js
index b51bc30da7..cad7491ad5 100644
--- a/test/runtime/samples/function-in-expression/_config.js
+++ b/test/runtime/samples/function-in-expression/_config.js
@@ -5,11 +5,9 @@ export default {
 
 	html: '1, 3, 5, 7, 9',
 
-	test ( assert, component, target ) {
-		component.numbers = [ 10, 11, 12, 13, 14, 15, 16 ];
+	test(assert, component, target) {
+		component.numbers = [10, 11, 12, 13, 14, 15, 16];
 
-		assert.htmlEqual( target.innerHTML, `11, 13, 15` );
-
-		component.destroy();
+		assert.htmlEqual(target.innerHTML, `11, 13, 15`);
 	}
 };
\ No newline at end of file
diff --git a/test/runtime/samples/get-after-destroy/_config.js b/test/runtime/samples/get-after-destroy/_config.js
index f7c5024fab..7ff003c7a2 100644
--- a/test/runtime/samples/get-after-destroy/_config.js
+++ b/test/runtime/samples/get-after-destroy/_config.js
@@ -6,7 +6,7 @@ export default {
 	html: `<div>1</div>`,
 
 	test(assert, component) {
-		component.destroy();
+		component.$destroy();
 		const { foo } = component.get();
 		assert.equal(foo, undefined);
 	}
diff --git a/test/runtime/samples/hello-world/_config.js b/test/runtime/samples/hello-world/_config.js
index f7c6678103..506c712548 100644
--- a/test/runtime/samples/hello-world/_config.js
+++ b/test/runtime/samples/hello-world/_config.js
@@ -5,11 +5,11 @@ export default {
 
 	html: '<h1>Hello world!</h1>',
 
-	test ( assert, component, target ) {
+	test (assert, component, target) {
 		component.name = 'everybody';
-		assert.htmlEqual( target.innerHTML, '<h1>Hello everybody!</h1>' );
+		assert.htmlEqual(target.innerHTML, '<h1>Hello everybody!</h1>');
 
-		component.destroy();
-		assert.htmlEqual( target.innerHTML, '' );
+		component.$destroy();
+		assert.htmlEqual(target.innerHTML, '');
 	}
 };
diff --git a/test/runtime/samples/if-block-elseif-no-else/_config.js b/test/runtime/samples/if-block-elseif-no-else/_config.js
index 1d27968b36..3dc70af2cf 100644
--- a/test/runtime/samples/if-block-elseif-no-else/_config.js
+++ b/test/runtime/samples/if-block-elseif-no-else/_config.js
@@ -15,7 +15,5 @@ export default {
 
 		component.x = 6;
 		assert.htmlEqual(target.innerHTML, ``);
-
-		component.destroy();
 	}
 };
diff --git a/test/runtime/samples/if-block-elseif-text/_config.js b/test/runtime/samples/if-block-elseif-text/_config.js
index 55fb92ad70..885a052b0e 100644
--- a/test/runtime/samples/if-block-elseif-text/_config.js
+++ b/test/runtime/samples/if-block-elseif-text/_config.js
@@ -7,17 +7,15 @@ export default {
 		before-if-after
 	`,
 
-	test ( assert, component, target ) {
+	test (assert, component, target) {
 		component.x = 4;
-		assert.htmlEqual( target.innerHTML, `
+		assert.htmlEqual(target.innerHTML, `
 			before-elseif-after
-		` );
+		`);
 
 		component.x = 6;
-		assert.htmlEqual( target.innerHTML, `
+		assert.htmlEqual(target.innerHTML, `
 			before-else-after
-		` );
-
-		component.destroy();
+		`);
 	}
 };
diff --git a/test/runtime/samples/if-block-elseif/_config.js b/test/runtime/samples/if-block-elseif/_config.js
index 41fc66ed3e..057e835a3c 100644
--- a/test/runtime/samples/if-block-elseif/_config.js
+++ b/test/runtime/samples/if-block-elseif/_config.js
@@ -7,17 +7,15 @@ export default {
 		<p>x is greater than 10</p>
 	`,
 
-	test ( assert, component, target ) {
+	test(assert, component, target) {
 		component.x = 4;
-		assert.htmlEqual( target.innerHTML, `
+		assert.htmlEqual(target.innerHTML, `
 			<p>x is less than 5</p>
-		` );
+		`);
 
 		component.x = 6;
-		assert.htmlEqual( target.innerHTML, `
+		assert.htmlEqual(target.innerHTML, `
 			<p>x is between 5 and 10</p>
-		` );
-
-		component.destroy();
+		`);
 	}
 };
diff --git a/test/runtime/samples/lifecycle-events/_config.js b/test/runtime/samples/lifecycle-events/_config.js
index 2a9d25564a..8598dec7b1 100644
--- a/test/runtime/samples/lifecycle-events/_config.js
+++ b/test/runtime/samples/lifecycle-events/_config.js
@@ -1,7 +1,7 @@
 export default {
 	test(assert, component) {
 		assert.deepEqual(component.events, ['create']);
-		component.destroy();
+		component.$destroy();
 		assert.deepEqual(component.events, ['create', 'destroy']);
 	}
 };
diff --git a/test/runtime/samples/observe-deferred/_config.js b/test/runtime/samples/observe-deferred/_config.js
index 65a2ba3b2b..9a4ad53767 100644
--- a/test/runtime/samples/observe-deferred/_config.js
+++ b/test/runtime/samples/observe-deferred/_config.js
@@ -10,13 +10,11 @@ export default {
 		<p>hello!</p>
 	`,
 
-	test ( assert, component, target ) {
+	test(assert, component, target) {
 		component.value = 'goodbye!';
-		assert.htmlEqual( target.innerHTML, `
+		assert.htmlEqual(target.innerHTML, `
 			<p>goodbye!</p>
 			<p>goodbye!</p>
-		` );
-
-		component.destroy();
+		`);
 	}
 };
diff --git a/test/runtime/samples/onrender-chain/_config.js b/test/runtime/samples/onrender-chain/_config.js
index 1bbf616117..33c4a8b5be 100644
--- a/test/runtime/samples/onrender-chain/_config.js
+++ b/test/runtime/samples/onrender-chain/_config.js
@@ -5,13 +5,11 @@ export default {
 		<span>3</span><span>2</span><span>1</span>
 	`,
 
-	test ( assert, component, target ) {
+	test(assert, component, target) {
 		component.refs.list.update();
 
-		assert.htmlEqual( target.innerHTML, `
+		assert.htmlEqual(target.innerHTML, `
 			<span>1</span><span>2</span><span>3</span><span>4</span><span>5</span>
-		` );
-
-		component.destroy();
+		`);
 	}
 };
diff --git a/test/runtime/samples/onrender-fires-when-ready/_config.js b/test/runtime/samples/onrender-fires-when-ready/_config.js
index acd550ed3e..f7ac0d740d 100644
--- a/test/runtime/samples/onrender-fires-when-ready/_config.js
+++ b/test/runtime/samples/onrender-fires-when-ready/_config.js
@@ -3,10 +3,8 @@ export default {
 
 	html: `<div><p>true</p></div>`,
 
-	test ( assert, component, target ) {
+	test(assert, component, target) {
 		component.foo = true;
-		assert.htmlEqual( target.innerHTML, `<div><p>true</p>\n<p>true</p></div>` );
-
-		component.destroy();
+		assert.htmlEqual(target.innerHTML, `<div><p>true</p>\n<p>true</p></div>`);
 	}
 };
diff --git a/test/runtime/samples/raw-mustaches-preserved/_config.js b/test/runtime/samples/raw-mustaches-preserved/_config.js
index 0992a92bc6..11e725e12b 100644
--- a/test/runtime/samples/raw-mustaches-preserved/_config.js
+++ b/test/runtime/samples/raw-mustaches-preserved/_config.js
@@ -7,13 +7,11 @@ export default {
 
 	html: `<div><p>does not change</p></div>`,
 
-	test ( assert, component, target ) {
-		const p = target.querySelector( 'p' );
+	test(assert, component, target) {
+		const p = target.querySelector('p');
 
 		component.raw = '<p>does not change</p>';
-		assert.equal( target.innerHTML, `<div><p>does not change</p></div>` );
-		assert.strictEqual( target.querySelector( 'p' ), p );
-
-		component.destroy();
+		assert.equal(target.innerHTML, `<div><p>does not change</p></div>`);
+		assert.strictEqual(target.querySelector('p'), p);
 	}
 };
diff --git a/test/runtime/samples/raw-mustaches/_config.js b/test/runtime/samples/raw-mustaches/_config.js
index 06343b6683..982259bbf1 100644
--- a/test/runtime/samples/raw-mustaches/_config.js
+++ b/test/runtime/samples/raw-mustaches/_config.js
@@ -9,12 +9,12 @@ export default {
 
 	html: `before${ns}<span><em>raw html!!!\\o/</span></em>${ns}after`,
 
-	test ( assert, component, target ) {
+	test(assert, component, target) {
 		component.raw = '';
-		assert.equal( target.innerHTML, `before${ns}${ns}after` );
+		assert.equal(target.innerHTML, `before${ns}${ns}after`);
 		component.raw = 'how about <strong>unclosed elements?';
-		assert.equal( target.innerHTML, `before${ns}how about <strong>unclosed elements?</strong>${ns}after` );
-		component.destroy();
-		assert.equal( target.innerHTML, '' );
+		assert.equal(target.innerHTML, `before${ns}how about <strong>unclosed elements?</strong>${ns}after`);
+		component.$destroy();
+		assert.equal(target.innerHTML, '');
 	}
 };
diff --git a/test/runtime/samples/select-change-handler/_config.js b/test/runtime/samples/select-change-handler/_config.js
index 31a46ccfdc..70c532d21e 100644
--- a/test/runtime/samples/select-change-handler/_config.js
+++ b/test/runtime/samples/select-change-handler/_config.js
@@ -4,19 +4,17 @@ export default {
 		selected: 'b'
 	},
 
-	test ( assert, component, target, window ) {
-		const select = target.querySelector( 'select' );
-		assert.equal( select.value, 'b' );
+	test(assert, component, target, window) {
+		const select = target.querySelector('select');
+		assert.equal(select.value, 'b');
 
-		const event = new window.Event( 'change' );
+		const event = new window.Event('change');
 
 		select.value = 'c';
-		select.dispatchEvent( event );
+		select.dispatchEvent(event);
 
-		assert.equal( select.value, 'c' );
-		assert.equal( component.lastChangedTo, 'c' );
-		assert.equal( component.selected, 'c' );
-
-		component.destroy();
+		assert.equal(select.value, 'c');
+		assert.equal(component.lastChangedTo, 'c');
+		assert.equal(component.selected, 'c');
 	}
 };
diff --git a/test/runtime/samples/select/_config.js b/test/runtime/samples/select/_config.js
index b2f39b55ab..e843de0b8e 100644
--- a/test/runtime/samples/select/_config.js
+++ b/test/runtime/samples/select/_config.js
@@ -14,8 +14,8 @@ export default {
 		</select>
 	`,
 
-	test ( assert, component, target ) {
-		assert.htmlEqual( target.innerHTML,`
+	test(assert, component, target) {
+		assert.htmlEqual(target.innerHTML,`
 			<select>
 				<option value="a">One</option>
 				<option value="b">Two</option>
@@ -23,9 +23,9 @@ export default {
 			</select>
 		`);
 
-		assert.equal( target.querySelector( 'select' ).value, 'a' );
+		assert.equal(target.querySelector('select').value, 'a');
 
-		component.destroy();
-		assert.htmlEqual( target.innerHTML, '' );
+		component.$destroy();
+		assert.htmlEqual(target.innerHTML, '');
 	}
 };
diff --git a/test/runtime/samples/set-after-destroy/_config.js b/test/runtime/samples/set-after-destroy/_config.js
index 3498ee8c08..cdade8cb00 100644
--- a/test/runtime/samples/set-after-destroy/_config.js
+++ b/test/runtime/samples/set-after-destroy/_config.js
@@ -4,7 +4,7 @@ export default {
 	},
 
 	test(assert, component) {
-		component.destroy();
+		component.$destroy();
 		component.x = 2;
 	}
 };
\ No newline at end of file
diff --git a/test/runtime/samples/set-clones-input/_config.js b/test/runtime/samples/set-clones-input/_config.js
index 48dfeda03c..2c11349b3a 100644
--- a/test/runtime/samples/set-clones-input/_config.js
+++ b/test/runtime/samples/set-clones-input/_config.js
@@ -7,10 +7,9 @@ export default {
 		a: 42
 	},
 
-	test ( assert, component ) {
+	test(assert, component) {
 		const obj = { a: 1 };
-		component.set( obj );
-		component.set( obj ); // will fail if the object is not cloned
-		component.destroy();
+		component.set(obj);
+		component.set(obj); // will fail if the object is not cloned
 	}
 };
\ No newline at end of file
diff --git a/test/runtime/samples/set-in-ondestroy/_config.js b/test/runtime/samples/set-in-ondestroy/_config.js
index 5e11c5466c..beb4522a9c 100644
--- a/test/runtime/samples/set-in-ondestroy/_config.js
+++ b/test/runtime/samples/set-in-ondestroy/_config.js
@@ -18,7 +18,7 @@ export default {
 			values.push(current.foo);
 		});
 
-		component.destroy();
+		component.$destroy();
 
 		assert.deepEqual(values, [2]);
 		assert.equal(valueOnDestroy, 2);
diff --git a/test/runtime/samples/set-in-onstate-dedupes-renders/_config.js b/test/runtime/samples/set-in-onstate-dedupes-renders/_config.js
index ca22fa0bf2..dd8503bbc3 100644
--- a/test/runtime/samples/set-in-onstate-dedupes-renders/_config.js
+++ b/test/runtime/samples/set-in-onstate-dedupes-renders/_config.js
@@ -1,8 +1,7 @@
 export default {
 	skip: true, // nice-to-have – tricky though, so skipping for now
 
-	test ( assert, component ) {
+	test(assert, component) {
 		component.foo = { x: 2 };
-		component.destroy();
 	}
 };
diff --git a/test/runtime/samples/svg-attributes/_config.js b/test/runtime/samples/svg-attributes/_config.js
index a14ad958ba..fa17297515 100644
--- a/test/runtime/samples/svg-attributes/_config.js
+++ b/test/runtime/samples/svg-attributes/_config.js
@@ -7,9 +7,8 @@ export default {
 		</svg>
 	`,
 
-	test ( assert, component, target ) {
-		const circle = target.querySelector( 'circle' );
-		assert.equal( circle.getAttribute( 'class' ), 'red' );
-		component.destroy();
+	test(assert, component, target) {
+		const circle = target.querySelector('circle');
+		assert.equal(circle.getAttribute('class'), 'red');
 	}
 };
diff --git a/test/runtime/samples/svg-class/_config.js b/test/runtime/samples/svg-class/_config.js
index 74141d1679..3752305b38 100644
--- a/test/runtime/samples/svg-class/_config.js
+++ b/test/runtime/samples/svg-class/_config.js
@@ -3,12 +3,10 @@
 export default {
 	html: `<svg class='foo'></svg>`,
 
-	test ( assert, component, target ) {
-		const svg = target.querySelector( 'svg' );
+	test(assert, component, target) {
+		const svg = target.querySelector('svg');
 
-		assert.equal( svg.namespaceURI, 'http://www.w3.org/2000/svg' );
-		assert.equal( svg.getAttribute( 'class' ), 'foo' );
-
-		component.destroy();
+		assert.equal(svg.namespaceURI, 'http://www.w3.org/2000/svg');
+		assert.equal(svg.getAttribute('class'), 'foo');
 	}
 };
diff --git a/test/runtime/samples/svg-each-block-namespace/_config.js b/test/runtime/samples/svg-each-block-namespace/_config.js
index 1bdab1a605..fb5b6c640a 100644
--- a/test/runtime/samples/svg-each-block-namespace/_config.js
+++ b/test/runtime/samples/svg-each-block-namespace/_config.js
@@ -5,11 +5,10 @@ export default {
 		</svg>
 	`,
 
-	test ( assert, component, target ) {
-		const circles = target.querySelectorAll( 'circle' );
-		assert.equal( circles[0].namespaceURI, 'http://www.w3.org/2000/svg' );
-		assert.equal( circles[1].namespaceURI, 'http://www.w3.org/2000/svg' );
-		assert.equal( circles[2].namespaceURI, 'http://www.w3.org/2000/svg' );
-		component.destroy();
+	test(assert, component, target) {
+		const circles = target.querySelectorAll('circle');
+		assert.equal(circles[0].namespaceURI, 'http://www.w3.org/2000/svg');
+		assert.equal(circles[1].namespaceURI, 'http://www.w3.org/2000/svg');
+		assert.equal(circles[2].namespaceURI, 'http://www.w3.org/2000/svg');
 	}
 };
diff --git a/test/runtime/samples/svg-xlink/_config.js b/test/runtime/samples/svg-xlink/_config.js
index 55bb6440a7..7fc992b800 100644
--- a/test/runtime/samples/svg-xlink/_config.js
+++ b/test/runtime/samples/svg-xlink/_config.js
@@ -8,12 +8,10 @@ export default {
 			<use xlink:href='#stamp' x='20' y='20'/>
 		</svg>
 	`,
-	test ( assert, component, target ) {
-		const use = target.querySelector( 'use' );
+	test(assert, component, target) {
+		const use = target.querySelector('use');
 		const href = use.attributes[ 'xlink:href' ];
 
-		assert.equal( href.namespaceURI, 'http://www.w3.org/1999/xlink' );
-
-		component.destroy();
+		assert.equal(href.namespaceURI, 'http://www.w3.org/1999/xlink');
 	}
 };
diff --git a/test/runtime/samples/transition-css-delay/_config.js b/test/runtime/samples/transition-css-delay/_config.js
index 28de1aeb42..c30242b637 100644
--- a/test/runtime/samples/transition-css-delay/_config.js
+++ b/test/runtime/samples/transition-css-delay/_config.js
@@ -1,12 +1,10 @@
 export default {
-	test ( assert, component, target, window, raf ) {
+	test(assert, component, target, window, raf) {
 		component.visible = true;
-		const div = target.querySelector( 'div' );
-		assert.strictEqual( div.style.opacity, '0' );
+		const div = target.querySelector('div');
+		assert.strictEqual(div.style.opacity, '0');
 
-		raf.tick( 50 );
-		assert.strictEqual( div.style.opacity, '' );
-
-		component.destroy();
+		raf.tick(50);
+		assert.strictEqual(div.style.opacity, '');
 	}
 };
\ No newline at end of file
diff --git a/test/runtime/samples/transition-js-delay-in-out/_config.js b/test/runtime/samples/transition-js-delay-in-out/_config.js
index 4d8ed961aa..874fec5a8c 100644
--- a/test/runtime/samples/transition-js-delay-in-out/_config.js
+++ b/test/runtime/samples/transition-js-delay-in-out/_config.js
@@ -1,24 +1,22 @@
 export default {
-	test ( assert, component, target, window, raf ) {
+	test(assert, component, target, window, raf) {
 		component.visible = true;
-		const div = target.querySelector( 'div' );
-		assert.equal( div.foo, 0 );
+		const div = target.querySelector('div');
+		assert.equal(div.foo, 0);
 
-		raf.tick( 50 );
-		assert.equal( div.foo, 0 );
+		raf.tick(50);
+		assert.equal(div.foo, 0);
 
-		raf.tick( 150 );
-		assert.equal( div.foo, 1 );
+		raf.tick(150);
+		assert.equal(div.foo, 1);
 
 		component.visible = false;
-		assert.equal( div.bar, undefined );
+		assert.equal(div.bar, undefined);
 
-		raf.tick( 200 );
-		assert.equal( div.bar, 1 );
+		raf.tick(200);
+		assert.equal(div.bar, 1);
 
-		raf.tick( 300 );
-		assert.equal( div.bar, 0 );
-
-		component.destroy();
+		raf.tick(300);
+		assert.equal(div.bar, 0);
 	}
 };
\ No newline at end of file
diff --git a/test/runtime/samples/transition-js-delay/_config.js b/test/runtime/samples/transition-js-delay/_config.js
index 97de28f75a..c90207e008 100644
--- a/test/runtime/samples/transition-js-delay/_config.js
+++ b/test/runtime/samples/transition-js-delay/_config.js
@@ -1,29 +1,27 @@
 export default {
-	test ( assert, component, target, window, raf ) {
+	test(assert, component, target, window, raf) {
 		component.visible = true;
-		const div = target.querySelector( 'div' );
-		assert.equal( div.foo, 0 );
+		const div = target.querySelector('div');
+		assert.equal(div.foo, 0);
 
-		raf.tick( 50 );
-		assert.equal( div.foo, 0 );
+		raf.tick(50);
+		assert.equal(div.foo, 0);
 
-		raf.tick( 100 );
-		assert.equal( div.foo, 0.5 );
+		raf.tick(100);
+		assert.equal(div.foo, 0.5);
 
 		component.visible = false;
 
-		raf.tick( 125 );
-		assert.equal( div.foo, 0.75 );
+		raf.tick(125);
+		assert.equal(div.foo, 0.75);
 
-		raf.tick( 150 );
-		assert.equal( div.foo, 1 );
+		raf.tick(150);
+		assert.equal(div.foo, 1);
 
-		raf.tick( 175 );
-		assert.equal( div.foo, 0.75 );
+		raf.tick(175);
+		assert.equal(div.foo, 0.75);
 
-		raf.tick( 250 );
-		assert.equal( div.foo, 0 );
-
-		component.destroy();
+		raf.tick(250);
+		assert.equal(div.foo, 0);
 	}
 };
\ No newline at end of file
diff --git a/test/runtime/samples/transition-js-destroyed-before-end/_config.js b/test/runtime/samples/transition-js-destroyed-before-end/_config.js
index 9312f1dd25..23fb1f8626 100644
--- a/test/runtime/samples/transition-js-destroyed-before-end/_config.js
+++ b/test/runtime/samples/transition-js-destroyed-before-end/_config.js
@@ -12,7 +12,7 @@ export default {
 		raf.tick(50);
 		assert.equal(div.foo, 0.5);
 
-		component.destroy();
+		component.$destroy();
 
 		raf.tick(100);
 	},
diff --git a/test/runtime/samples/transition-js-dynamic-if-block-bidi/_config.js b/test/runtime/samples/transition-js-dynamic-if-block-bidi/_config.js
index 7501110eae..c57293c8d3 100644
--- a/test/runtime/samples/transition-js-dynamic-if-block-bidi/_config.js
+++ b/test/runtime/samples/transition-js-dynamic-if-block-bidi/_config.js
@@ -3,36 +3,34 @@ export default {
 		name: 'world'
 	},
 
-	test ( assert, component, target, window, raf ) {
+	test(assert, component, target, window, raf) {
 		global.count = 0;
 
 		component.visible = true;
-		assert.equal( global.count, 1 );
-		const div = target.querySelector( 'div' );
-		assert.equal( div.foo, 0 );
+		assert.equal(global.count, 1);
+		const div = target.querySelector('div');
+		assert.equal(div.foo, 0);
 
-		raf.tick( 75 );
+		raf.tick(75);
 		component.name = 'everybody';
-		assert.equal( div.foo, 0.75 );
-		assert.htmlEqual( div.innerHTML, 'hello everybody!' );
+		assert.equal(div.foo, 0.75);
+		assert.htmlEqual(div.innerHTML, 'hello everybody!');
 
 		component.visible = false;
 		component.name = 'again';
-		assert.htmlEqual( div.innerHTML, 'hello everybody!' );
+		assert.htmlEqual(div.innerHTML, 'hello everybody!');
 
-		raf.tick( 125 );
-		assert.equal( div.foo, 0.25 );
+		raf.tick(125);
+		assert.equal(div.foo, 0.25);
 
 		component.visible = true;
-		raf.tick( 175 );
-		assert.equal( div.foo, 0.75 );
-		assert.htmlEqual( div.innerHTML, 'hello again!' );
+		raf.tick(175);
+		assert.equal(div.foo, 0.75);
+		assert.htmlEqual(div.innerHTML, 'hello again!');
 
-		raf.tick( 200 );
-		assert.equal( div.foo, 1 );
+		raf.tick(200);
+		assert.equal(div.foo, 1);
 
-		raf.tick( 225 );
-
-		component.destroy();
+		raf.tick(225);
 	}
 };
\ No newline at end of file
diff --git a/test/runtime/samples/transition-js-each-block-intro-outro/_config.js b/test/runtime/samples/transition-js-each-block-intro-outro/_config.js
index 3319c100dc..5d7fda6508 100644
--- a/test/runtime/samples/transition-js-each-block-intro-outro/_config.js
+++ b/test/runtime/samples/transition-js-each-block-intro-outro/_config.js
@@ -4,40 +4,38 @@ export default {
 		things: [ 'a', 'b', 'c' ]
 	},
 
-	test ( assert, component, target, window, raf ) {
+	test(assert, component, target, window, raf) {
 		component.visible = true;
-		const divs = target.querySelectorAll( 'div' );
-		assert.equal( divs[0].foo, 0 );
-		assert.equal( divs[1].foo, 0 );
-		assert.equal( divs[2].foo, 0 );
+		const divs = target.querySelectorAll('div');
+		assert.equal(divs[0].foo, 0);
+		assert.equal(divs[1].foo, 0);
+		assert.equal(divs[2].foo, 0);
 
-		raf.tick( 50 );
-		assert.equal( divs[0].foo, 0.5 );
-		assert.equal( divs[1].foo, 0.5 );
-		assert.equal( divs[2].foo, 0.5 );
+		raf.tick(50);
+		assert.equal(divs[0].foo, 0.5);
+		assert.equal(divs[1].foo, 0.5);
+		assert.equal(divs[2].foo, 0.5);
 
 		component.visible = false;
 
-		raf.tick( 70 );
-		assert.equal( divs[0].foo, 0.7 );
-		assert.equal( divs[1].foo, 0.7 );
-		assert.equal( divs[2].foo, 0.7 );
+		raf.tick(70);
+		assert.equal(divs[0].foo, 0.7);
+		assert.equal(divs[1].foo, 0.7);
+		assert.equal(divs[2].foo, 0.7);
 
-		assert.equal( divs[0].bar, 0.8 );
-		assert.equal( divs[1].bar, 0.8 );
-		assert.equal( divs[2].bar, 0.8 );
+		assert.equal(divs[0].bar, 0.8);
+		assert.equal(divs[1].bar, 0.8);
+		assert.equal(divs[2].bar, 0.8);
 
 		component.visible = true;
 
-		raf.tick( 100 );
-		assert.equal( divs[0].foo, 0.3 );
-		assert.equal( divs[1].foo, 0.3 );
-		assert.equal( divs[2].foo, 0.3 );
+		raf.tick(100);
+		assert.equal(divs[0].foo, 0.3);
+		assert.equal(divs[1].foo, 0.3);
+		assert.equal(divs[2].foo, 0.3);
 
-		assert.equal( divs[0].bar, 1 );
-		assert.equal( divs[1].bar, 1 );
-		assert.equal( divs[2].bar, 1 );
-
-		component.destroy();
+		assert.equal(divs[0].bar, 1);
+		assert.equal(divs[1].bar, 1);
+		assert.equal(divs[2].bar, 1);
 	}
 };
\ No newline at end of file
diff --git a/test/runtime/samples/transition-js-each-block-intro/_config.js b/test/runtime/samples/transition-js-each-block-intro/_config.js
index 7daf65d4e0..61bba87413 100644
--- a/test/runtime/samples/transition-js-each-block-intro/_config.js
+++ b/test/runtime/samples/transition-js-each-block-intro/_config.js
@@ -3,30 +3,28 @@ export default {
 		things: [ 'a', 'b', 'c' ]
 	},
 
-	test ( assert, component, target, window, raf ) {
-		let divs = target.querySelectorAll( 'div' );
-		assert.equal( divs[0].foo, 0 );
-		assert.equal( divs[1].foo, 0 );
-		assert.equal( divs[2].foo, 0 );
+	test(assert, component, target, window, raf) {
+		let divs = target.querySelectorAll('div');
+		assert.equal(divs[0].foo, 0);
+		assert.equal(divs[1].foo, 0);
+		assert.equal(divs[2].foo, 0);
 
-		raf.tick( 50 );
-		assert.equal( divs[0].foo, 0.5 );
-		assert.equal( divs[1].foo, 0.5 );
-		assert.equal( divs[2].foo, 0.5 );
+		raf.tick(50);
+		assert.equal(divs[0].foo, 0.5);
+		assert.equal(divs[1].foo, 0.5);
+		assert.equal(divs[2].foo, 0.5);
 
 		component.things = [ 'a', 'b', 'c', 'd' ];
-		divs = target.querySelectorAll( 'div' );
-		assert.equal( divs[0].foo, 0.5 );
-		assert.equal( divs[1].foo, 0.5 );
-		assert.equal( divs[2].foo, 0.5 );
-		assert.equal( divs[3].foo, 0 );
+		divs = target.querySelectorAll('div');
+		assert.equal(divs[0].foo, 0.5);
+		assert.equal(divs[1].foo, 0.5);
+		assert.equal(divs[2].foo, 0.5);
+		assert.equal(divs[3].foo, 0);
 
-		raf.tick( 75 );
-		assert.equal( divs[0].foo, 0.75 );
-		assert.equal( divs[1].foo, 0.75 );
-		assert.equal( divs[2].foo, 0.75 );
-		assert.equal( divs[3].foo, 0.25 );
-
-		component.destroy();
+		raf.tick(75);
+		assert.equal(divs[0].foo, 0.75);
+		assert.equal(divs[1].foo, 0.75);
+		assert.equal(divs[2].foo, 0.75);
+		assert.equal(divs[3].foo, 0.25);
 	}
 };
\ No newline at end of file
diff --git a/test/runtime/samples/transition-js-each-block-keyed-intro/_config.js b/test/runtime/samples/transition-js-each-block-keyed-intro/_config.js
index a2bf03c187..d582b20479 100644
--- a/test/runtime/samples/transition-js-each-block-keyed-intro/_config.js
+++ b/test/runtime/samples/transition-js-each-block-keyed-intro/_config.js
@@ -7,16 +7,16 @@ export default {
 		]
 	},
 
-	test ( assert, component, target, window, raf ) {
-		let divs = target.querySelectorAll( 'div' );
-		assert.equal( divs[0].foo, 0 );
-		assert.equal( divs[1].foo, 0 );
-		assert.equal( divs[2].foo, 0 );
+	test(assert, component, target, window, raf) {
+		let divs = target.querySelectorAll('div');
+		assert.equal(divs[0].foo, 0);
+		assert.equal(divs[1].foo, 0);
+		assert.equal(divs[2].foo, 0);
 
-		raf.tick( 50 );
-		assert.equal( divs[0].foo, 0.5 );
-		assert.equal( divs[1].foo, 0.5 );
-		assert.equal( divs[2].foo, 0.5 );
+		raf.tick(50);
+		assert.equal(divs[0].foo, 0.5);
+		assert.equal(divs[1].foo, 0.5);
+		assert.equal(divs[2].foo, 0.5);
 
 		component.things = [
 			{ name: 'a' },
@@ -24,24 +24,22 @@ export default {
 			{ name: 'b' },
 			{ name: 'c' }
 		];
-		assert.htmlEqual( target.innerHTML, `
+		assert.htmlEqual(target.innerHTML, `
 			<div>a</div>
 			<div>woo!</div>
 			<div>b</div>
 			<div>c</div>
-		` );
-		divs = target.querySelectorAll( 'div' );
-		assert.equal( divs[0].foo, 0.5 );
-		assert.equal( divs[1].foo, 0 );
-		assert.equal( divs[2].foo, 0.5 );
-		assert.equal( divs[3].foo, 0.5 );
+		`);
+		divs = target.querySelectorAll('div');
+		assert.equal(divs[0].foo, 0.5);
+		assert.equal(divs[1].foo, 0);
+		assert.equal(divs[2].foo, 0.5);
+		assert.equal(divs[3].foo, 0.5);
 
-		raf.tick( 75 );
-		assert.equal( divs[0].foo, 0.75 );
-		assert.equal( divs[1].foo, 0.25 );
-		assert.equal( divs[2].foo, 0.75 );
-		assert.equal( divs[3].foo, 0.75 );
-
-		component.destroy();
+		raf.tick(75);
+		assert.equal(divs[0].foo, 0.75);
+		assert.equal(divs[1].foo, 0.25);
+		assert.equal(divs[2].foo, 0.75);
+		assert.equal(divs[3].foo, 0.75);
 	}
 };
\ No newline at end of file
diff --git a/test/runtime/samples/transition-js-events/_config.js b/test/runtime/samples/transition-js-events/_config.js
index e5f52e1421..33f924022e 100644
--- a/test/runtime/samples/transition-js-events/_config.js
+++ b/test/runtime/samples/transition-js-events/_config.js
@@ -29,7 +29,5 @@ export default {
 		raf.tick(250);
 		assert.deepEqual(component.intros.sort(), ['a', 'a', 'b', 'b', 'c', 'c', 'd', 'd']);
 		assert.equal(component.introCount, 4);
-
-		component.destroy();
 	}
 };
\ No newline at end of file
diff --git a/test/runtime/samples/transition-js-if-block-bidi/_config.js b/test/runtime/samples/transition-js-if-block-bidi/_config.js
index 115147fa4b..132de21faa 100644
--- a/test/runtime/samples/transition-js-if-block-bidi/_config.js
+++ b/test/runtime/samples/transition-js-if-block-bidi/_config.js
@@ -1,30 +1,28 @@
 export default {
-	test ( assert, component, target, window, raf ) {
+	test(assert, component, target, window, raf) {
 		global.count = 0;
 
 		component.visible = true;
-		assert.equal( global.count, 1 );
-		const div = target.querySelector( 'div' );
-		assert.equal( div.foo, 0 );
+		assert.equal(global.count, 1);
+		const div = target.querySelector('div');
+		assert.equal(div.foo, 0);
 
-		raf.tick( 300 );
-		assert.equal( div.foo, 0.75 );
+		raf.tick(300);
+		assert.equal(div.foo, 0.75);
 
 		component.visible = false;
-		assert.equal( global.count, 1 );
+		assert.equal(global.count, 1);
 
-		raf.tick( 500 );
-		assert.equal( div.foo, 0.25 );
+		raf.tick(500);
+		assert.equal(div.foo, 0.25);
 
 		component.visible = true;
-		raf.tick( 700 );
-		assert.equal( div.foo, 0.75 );
+		raf.tick(700);
+		assert.equal(div.foo, 0.75);
 
-		raf.tick( 800 );
-		assert.equal( div.foo, 1 );
+		raf.tick(800);
+		assert.equal(div.foo, 1);
 
-		raf.tick( 900 );
-
-		component.destroy();
+		raf.tick(900);
 	}
 };
\ No newline at end of file
diff --git a/test/runtime/samples/transition-js-if-block-in-each-block-bidi-2/_config.js b/test/runtime/samples/transition-js-if-block-in-each-block-bidi-2/_config.js
index da85b13f4a..e4296b0cb7 100644
--- a/test/runtime/samples/transition-js-if-block-in-each-block-bidi-2/_config.js
+++ b/test/runtime/samples/transition-js-if-block-in-each-block-bidi-2/_config.js
@@ -12,21 +12,17 @@ export default {
 		<div>5</div>
 	`,
 
-	test ( assert, component, target, window, raf ) {
-		const divs = target.querySelectorAll('div');
-
+	test(assert, component, target, window, raf) {
 		raf.tick(100);
 
 		component.threshold = 4;
 
-		raf.tick( 200 );
+		raf.tick(200);
 		assert.htmlEqual(target.innerHTML, `
 			<div>1</div>
 			<div>2</div>
 			<div>3</div>
 			<div>4</div>
 		`);
-
-		component.destroy();
 	}
 };
\ No newline at end of file
diff --git a/test/runtime/samples/transition-js-if-block-in-each-block-bidi-3/_config.js b/test/runtime/samples/transition-js-if-block-in-each-block-bidi-3/_config.js
index cd029942e0..fd83401b06 100644
--- a/test/runtime/samples/transition-js-if-block-in-each-block-bidi-3/_config.js
+++ b/test/runtime/samples/transition-js-if-block-in-each-block-bidi-3/_config.js
@@ -12,7 +12,7 @@ export default {
 		<div>5</div>
 	`,
 
-	test ( assert, component, target, window, raf ) {
+	test(assert, component, target, window, raf) {
 		const divs = target.querySelectorAll('div');
 
 		raf.tick(100);
@@ -31,7 +31,5 @@ export default {
 			<div>4</div>
 			<div>5</div>
 		`);
-
-		component.destroy();
 	}
 };
\ No newline at end of file
diff --git a/test/runtime/samples/transition-js-if-block-in-each-block-bidi/_config.js b/test/runtime/samples/transition-js-if-block-in-each-block-bidi/_config.js
index a32ace0388..f2b045503f 100644
--- a/test/runtime/samples/transition-js-if-block-in-each-block-bidi/_config.js
+++ b/test/runtime/samples/transition-js-if-block-in-each-block-bidi/_config.js
@@ -11,7 +11,7 @@ export default {
 		<div>5</div>
 	`,
 
-	test ( assert, component, target, window, raf ) {
+	test(assert, component, target, window, raf) {
 		const divs = target.querySelectorAll('div');
 
 		assert.equal(divs[0].foo, 0);
@@ -20,9 +20,9 @@ export default {
 		assert.equal(divs[0].foo, 1);
 
 		component.threshold = 4;
-		assert.equal( divs[4].foo, 1 );
+		assert.equal(divs[4].foo, 1);
 
-		raf.tick( 200 );
+		raf.tick(200);
 		assert.htmlEqual(target.innerHTML, `
 			<div>1</div>
 			<div>2</div>
@@ -31,15 +31,13 @@ export default {
 		`);
 
 		component.threshold = 3;
-		assert.equal( divs[3].foo, 1 );
+		assert.equal(divs[3].foo, 1);
 
-		raf.tick( 300 );
+		raf.tick(300);
 		assert.htmlEqual(target.innerHTML, `
 			<div>1</div>
 			<div>2</div>
 			<div>3</div>
 		`);
-
-		component.destroy();
 	}
 };
\ No newline at end of file
diff --git a/test/runtime/samples/transition-js-if-block-intro-outro/_config.js b/test/runtime/samples/transition-js-if-block-intro-outro/_config.js
index 2c4d0b34b1..96a9250cf4 100644
--- a/test/runtime/samples/transition-js-if-block-intro-outro/_config.js
+++ b/test/runtime/samples/transition-js-if-block-intro-outro/_config.js
@@ -1,46 +1,44 @@
 export default {
-	test ( assert, component, target, window, raf ) {
+	test(assert, component, target, window, raf) {
 		component.visible = true;
-		let div = target.querySelector( 'div' );
-		assert.equal( div.foo, 0 );
+		let div = target.querySelector('div');
+		assert.equal(div.foo, 0);
 
-		raf.tick( 200 );
-		assert.equal( div.foo, 0.5 );
+		raf.tick(200);
+		assert.equal(div.foo, 0.5);
 
-		raf.tick( 400 );
-		assert.equal( div.foo, 1 );
+		raf.tick(400);
+		assert.equal(div.foo, 1);
 
-		raf.tick( 500 );
-		assert.equal( div.foo, 1 );
+		raf.tick(500);
+		assert.equal(div.foo, 1);
 
 		component.visible = false;
-		raf.tick( 600 );
-		assert.equal( div.foo, 1 );
-		assert.equal( div.bar, 0.75 );
+		raf.tick(600);
+		assert.equal(div.foo, 1);
+		assert.equal(div.bar, 0.75);
 
-		raf.tick( 900 );
-		assert.equal( div.foo, 1 );
-		assert.equal( div.bar, 0 );
+		raf.tick(900);
+		assert.equal(div.foo, 1);
+		assert.equal(div.bar, 0);
 
 		// test outro before intro complete
-		raf.tick( 1000 );
+		raf.tick(1000);
 		component.visible = true;
-		div = target.querySelector( 'div' );
+		div = target.querySelector('div');
 
-		raf.tick( 1200 );
-		assert.equal( div.foo, 0.5 );
+		raf.tick(1200);
+		assert.equal(div.foo, 0.5);
 
 		component.visible = false;
-		raf.tick( 1300 );
-		assert.equal( div.foo, 0.75 );
-		assert.equal( div.bar, 0.75 );
+		raf.tick(1300);
+		assert.equal(div.foo, 0.75);
+		assert.equal(div.bar, 0.75);
 
-		raf.tick( 1400 );
-		assert.equal( div.foo, 1 );
-		assert.equal( div.bar, 0.5 );
+		raf.tick(1400);
+		assert.equal(div.foo, 1);
+		assert.equal(div.bar, 0.5);
 
-		raf.tick( 2000 );
-
-		component.destroy();
+		raf.tick(2000);
 	}
 };
\ No newline at end of file
diff --git a/test/runtime/samples/transition-js-if-block-intro/_config.js b/test/runtime/samples/transition-js-if-block-intro/_config.js
index 64c09b52a2..2dac30d838 100644
--- a/test/runtime/samples/transition-js-if-block-intro/_config.js
+++ b/test/runtime/samples/transition-js-if-block-intro/_config.js
@@ -1,17 +1,15 @@
 export default {
-	test ( assert, component, target, window, raf ) {
+	test(assert, component, target, window, raf) {
 		component.visible = true;
-		const div = target.querySelector( 'div' );
-		assert.equal( window.getComputedStyle( div ).opacity, 0 );
+		const div = target.querySelector('div');
+		assert.equal(window.getComputedStyle(div).opacity, 0);
 
-		raf.tick( 200 );
-		assert.equal( window.getComputedStyle( div ).opacity, 0.5 );
+		raf.tick(200);
+		assert.equal(window.getComputedStyle(div).opacity, 0.5);
 
-		raf.tick( 400 );
-		assert.equal( window.getComputedStyle( div ).opacity, 1 );
+		raf.tick(400);
+		assert.equal(window.getComputedStyle(div).opacity, 1);
 
-		raf.tick( 500 );
-
-		component.destroy();
+		raf.tick(500);
 	}
 };
\ No newline at end of file
diff --git a/test/runtime/samples/transition-js-if-block-outro-timeout/_config.js b/test/runtime/samples/transition-js-if-block-outro-timeout/_config.js
index 90a517bd0f..238453eeb6 100644
--- a/test/runtime/samples/transition-js-if-block-outro-timeout/_config.js
+++ b/test/runtime/samples/transition-js-if-block-outro-timeout/_config.js
@@ -1,5 +1,5 @@
 export default {
-	test ( assert, component, target, window, raf ) {
+	test(assert, component, target, window, raf) {
 		component.visible = true;
 		const div = target.querySelector('div');
 
@@ -16,7 +16,5 @@ export default {
 		raf.tick(600);
 		assert.equal(component.refs.div, undefined);
 		assert.equal(target.querySelector('div'), undefined);
-
-		component.destroy();
 	}
 };
\ No newline at end of file
diff --git a/test/runtime/samples/transition-js-if-else-block-dynamic-outro/_config.js b/test/runtime/samples/transition-js-if-else-block-dynamic-outro/_config.js
index 8504657b02..39c4858d94 100644
--- a/test/runtime/samples/transition-js-if-else-block-dynamic-outro/_config.js
+++ b/test/runtime/samples/transition-js-if-else-block-dynamic-outro/_config.js
@@ -3,20 +3,19 @@ export default {
 		z: 'z'
 	},
 
-	test ( assert, component, target, window, raf ) {
-		assert.equal( target.querySelector( 'div' ), component.refs.no );
+	test(assert, component, target, window, raf) {
+		assert.equal(target.querySelector('div'), component.refs.no);
 
 		component.x = true;
 
-		raf.tick( 25 );
-		assert.equal( component.refs.yes.foo, undefined );
-		assert.equal( component.refs.no.foo, 0.75 );
+		raf.tick(25);
+		assert.equal(component.refs.yes.foo, undefined);
+		assert.equal(component.refs.no.foo, 0.75);
 
-		raf.tick( 75 );
-		assert.equal( component.refs.yes.foo, undefined );
-		assert.equal( component.refs.no.foo, 0.25 );
+		raf.tick(75);
+		assert.equal(component.refs.yes.foo, undefined);
+		assert.equal(component.refs.no.foo, 0.25);
 
-		raf.tick( 100 );
-		component.destroy();
+		raf.tick(100);
 	}
 };
\ No newline at end of file
diff --git a/test/runtime/samples/transition-js-if-else-block-intro/_config.js b/test/runtime/samples/transition-js-if-else-block-intro/_config.js
index 8b076b199c..35298aa367 100644
--- a/test/runtime/samples/transition-js-if-else-block-intro/_config.js
+++ b/test/runtime/samples/transition-js-if-else-block-intro/_config.js
@@ -1,21 +1,19 @@
 export default {
-	test ( assert, component, target, window, raf ) {
-		assert.equal( target.querySelector( 'div' ), component.refs.no );
-		assert.equal( component.refs.no.foo, 0 );
+	test(assert, component, target, window, raf) {
+		assert.equal(target.querySelector('div'), component.refs.no);
+		assert.equal(component.refs.no.foo, 0);
 
-		raf.tick( 200 );
-		assert.equal( component.refs.no.foo, 0.5 );
+		raf.tick(200);
+		assert.equal(component.refs.no.foo, 0.5);
 
-		raf.tick( 500 );
+		raf.tick(500);
 		component.x = true;
-		assert.equal( component.refs.no, undefined );
-		assert.equal( component.refs.yes.foo, 0 );
+		assert.equal(component.refs.no, undefined);
+		assert.equal(component.refs.yes.foo, 0);
 
-		raf.tick( 700 );
-		assert.equal( component.refs.yes.foo, 0.5 );
+		raf.tick(700);
+		assert.equal(component.refs.yes.foo, 0.5);
 
-		raf.tick( 1000 );
-
-		component.destroy();
+		raf.tick(1000);
 	}
 };
\ No newline at end of file
diff --git a/test/runtime/samples/transition-js-if-else-block-outro/_config.js b/test/runtime/samples/transition-js-if-else-block-outro/_config.js
index dd03934a0c..12fa1ef405 100644
--- a/test/runtime/samples/transition-js-if-else-block-outro/_config.js
+++ b/test/runtime/samples/transition-js-if-else-block-outro/_config.js
@@ -1,18 +1,17 @@
 export default {
-	test ( assert, component, target, window, raf ) {
-		assert.equal( target.querySelector( 'div' ), component.refs.no );
+	test(assert, component, target, window, raf) {
+		assert.equal(target.querySelector('div'), component.refs.no);
 
 		component.x = true;
 
-		raf.tick( 25 );
-		assert.equal( component.refs.yes.foo, undefined );
-		assert.equal( component.refs.no.foo, 0.75 );
+		raf.tick(25);
+		assert.equal(component.refs.yes.foo, undefined);
+		assert.equal(component.refs.no.foo, 0.75);
 
-		raf.tick( 75 );
-		assert.equal( component.refs.yes.foo, undefined );
-		assert.equal( component.refs.no.foo, 0.25 );
+		raf.tick(75);
+		assert.equal(component.refs.yes.foo, undefined);
+		assert.equal(component.refs.no.foo, 0.25);
 
-		raf.tick( 100 );
-		component.destroy();
+		raf.tick(100);
 	}
 };
\ No newline at end of file
diff --git a/test/runtime/samples/transition-js-if-elseif-block-outro/_config.js b/test/runtime/samples/transition-js-if-elseif-block-outro/_config.js
index def66c9a02..acde921ec4 100644
--- a/test/runtime/samples/transition-js-if-elseif-block-outro/_config.js
+++ b/test/runtime/samples/transition-js-if-elseif-block-outro/_config.js
@@ -4,21 +4,20 @@ export default {
 		y: true
 	},
 
-	test ( assert, component, target, window, raf ) {
-		assert.equal( target.querySelector( 'div' ), component.refs.no );
+	test(assert, component, target, window, raf) {
+		assert.equal(target.querySelector('div'), component.refs.no);
 
 		component.x = true;
 		component.y = false;
 
-		raf.tick( 25 );
-		assert.equal( component.refs.yes.foo, undefined );
-		assert.equal( component.refs.no.foo, 0.75 );
+		raf.tick(25);
+		assert.equal(component.refs.yes.foo, undefined);
+		assert.equal(component.refs.no.foo, 0.75);
 
-		raf.tick( 75 );
-		assert.equal( component.refs.yes.foo, undefined );
-		assert.equal( component.refs.no.foo, 0.25 );
+		raf.tick(75);
+		assert.equal(component.refs.yes.foo, undefined);
+		assert.equal(component.refs.no.foo, 0.25);
 
-		raf.tick( 100 );
-		component.destroy();
+		raf.tick(100);
 	}
 };
\ No newline at end of file
diff --git a/test/runtime/samples/transition-js-nested-intro/_config.js b/test/runtime/samples/transition-js-nested-intro/_config.js
index 3df72d2f32..d54a8c21d0 100644
--- a/test/runtime/samples/transition-js-nested-intro/_config.js
+++ b/test/runtime/samples/transition-js-nested-intro/_config.js
@@ -1,21 +1,19 @@
 export default {
-	test ( assert, component, target, window, raf ) {
+	test(assert, component, target, window, raf) {
 		component.visible = true;
-		const div = target.querySelector( 'div' );
-		assert.equal( div.foo, 0 );
+		const div = target.querySelector('div');
+		assert.equal(div.foo, 0);
 
-		raf.tick( 50 );
-		assert.equal( div.foo, 0 );
+		raf.tick(50);
+		assert.equal(div.foo, 0);
 
-		raf.tick( 100 );
-		assert.equal( div.foo, 0.5 );
+		raf.tick(100);
+		assert.equal(div.foo, 0.5);
 
-		raf.tick( 125 );
-		assert.equal( div.foo, 0.75 );
+		raf.tick(125);
+		assert.equal(div.foo, 0.75);
 
-		raf.tick( 150 );
-		assert.equal( div.foo, 1 );
-
-		component.destroy();
+		raf.tick(150);
+		assert.equal(div.foo, 1);
 	}
 };
\ No newline at end of file
diff --git a/test/runtime/samples/transition-js-parameterised-with-state/_config.js b/test/runtime/samples/transition-js-parameterised-with-state/_config.js
index efcb0121bc..ff90b016d7 100644
--- a/test/runtime/samples/transition-js-parameterised-with-state/_config.js
+++ b/test/runtime/samples/transition-js-parameterised-with-state/_config.js
@@ -15,7 +15,5 @@ export default {
 		assert.equal(div.foo, 200);
 
 		raf.tick(101);
-
-		component.destroy();
 	},
 };
diff --git a/test/runtime/samples/transition-js-parameterised/_config.js b/test/runtime/samples/transition-js-parameterised/_config.js
index 6775b4355e..fc8301c92a 100644
--- a/test/runtime/samples/transition-js-parameterised/_config.js
+++ b/test/runtime/samples/transition-js-parameterised/_config.js
@@ -11,7 +11,5 @@ export default {
 		assert.equal(div.foo, 200);
 
 		raf.tick(101);
-
-		component.destroy();
 	},
 };
diff --git a/test/runtime/samples/window-bind-scroll-update/_config.js b/test/runtime/samples/window-bind-scroll-update/_config.js
index 223c5dca74..da92467462 100644
--- a/test/runtime/samples/window-bind-scroll-update/_config.js
+++ b/test/runtime/samples/window-bind-scroll-update/_config.js
@@ -1,12 +1,10 @@
 export default {
 	skip: true, // JSDOM
 
-	test ( assert, component, target, window ) {
-		assert.equal( window.pageYOffset, 0 );
+	test(assert, component, target, window) {
+		assert.equal(window.pageYOffset, 0);
 
 		component.scrollY = 100;
-		assert.equal( window.pageYOffset, 100 );
-
-		component.destroy();
+		assert.equal(window.pageYOffset, 100);
 	}
 };
\ No newline at end of file
diff --git a/test/runtime/samples/window-event-context/_config.js b/test/runtime/samples/window-event-context/_config.js
index 1fac814a3a..a4c4c214b8 100644
--- a/test/runtime/samples/window-event-context/_config.js
+++ b/test/runtime/samples/window-event-context/_config.js
@@ -5,20 +5,18 @@ export default {
 
 	html: `true`,
 
-	skip: /^v4/.test( process.version ), // node 4 apparently does some dumb stuff
+	skip: /^v4/.test(process.version), // node 4 apparently does some dumb stuff
 	'skip-ssr': true, // there's some kind of weird bug with this test... it compiles with the wrong require.extensions hook for some bizarre reason
 
-	test ( assert, component, target, window ) {
-		const event = new window.Event( 'click' );
+	test(assert, component, target, window) {
+		const event = new window.Event('click');
 
-		window.dispatchEvent( event );
-		assert.equal( component.foo, false );
-		assert.htmlEqual( target.innerHTML, `false` );
+		window.dispatchEvent(event);
+		assert.equal(component.foo, false);
+		assert.htmlEqual(target.innerHTML, `false`);
 
-		window.dispatchEvent( event );
-		assert.equal( component.foo, true );
-		assert.htmlEqual( target.innerHTML, `true` );
-
-		component.destroy();
+		window.dispatchEvent(event);
+		assert.equal(component.foo, true);
+		assert.htmlEqual(target.innerHTML, `true`);
 	}
 };
\ No newline at end of file