add tests

test/runtime/samples/dynamic-element-attribute/_config.js

@@ -0,0 +1,17 @@
+export default {
+	props: {
+		tag: 'div'
+	},
+	html: '<div style="color: red;">Foo</div>',
+
+	test({ assert, component, target }) {
+		component.tag = 'h1';
+
+		assert.htmlEqual(
+			target.innerHTML,
+			`
+			<h1 style="color: red;">Foo</h1>
+		`
+		);
+	}
+};

test/runtime/samples/dynamic-element-attribute/main.svelte

@@ -0,0 +1,5 @@
+<script>
+  export let tag = 'div';
+</script>
+
+<svelte:element this={tag} style="color: red;">Foo</svelte:element>

test/runtime/samples/dynamic-element-event-handler2/_config.js

@@ -0,0 +1,23 @@
+let clicked = false;
+function handler() {
+  clicked = true;
+}
+
+export default {
+	props: {
+		tag: 'div',
+		handler
+	},
+	html: '<div>Foo</div>',
+
+	test({ assert, component, target }) {
+		assert.equal(clicked, false);
+
+		component.tag = 'button';
+		const button = target.querySelector('button');
+		const click = new window.MouseEvent('click');
+		button.dispatchEvent(click);
+
+		assert.equal(clicked, true);
+	}
+};

test/runtime/samples/dynamic-element-event-handler2/main.svelte

@@ -0,0 +1,6 @@
+<script>
+  export let tag;
+  export let handler;
+</script>
+
+<svelte:element this={tag} on:click={handler}>Foo</svelte:element>