fix unit test?

test/runtime/samples/select-change-handler/_config.js

@@ -1,22 +1,22 @@
 export default {
-    data: {
-        options: [ { id: 'a' }, { id: 'b' }, { id: 'c' } ],
-        selected: 'b'
-    },
+	data: {
+		options: [ { id: 'a' }, { id: 'b' }, { id: 'c' } ],
+		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( 'update' );
+		const event = new window.Event( 'change' );
 
-        select.value = 'c';
-        select.dispatchEvent( event );
+		select.value = 'c';
+		select.dispatchEvent( event );
 
-        assert.equal( select.value, 'c' );
-        assert.equal( component.get( 'lastChangedTo' ), 'c' );
-        assert.equal( component.get( 'selected' ), 'c' );
+		assert.equal( select.value, 'c' );
+		assert.equal( component.get( 'lastChangedTo' ), 'c' );
+		assert.equal( component.get( 'selected' ), 'c' );
 
-        component.destroy();
-    }
+		component.destroy();
+	}
 };

test/runtime/samples/select-change-handler/main.html

@@ -1,15 +1,15 @@
 <select bind:value="selected" on:change="updateLastChangedTo(selected)">
-    {{#each options as option}}
-    <option value="{{option.id}}">{{option.id}}</option>
-    {{/each}}
+	{{#each options as option}}
+		<option value="{{option.id}}">{{option.id}}</option>
+	{{/each}}
 </select>
 
 <script>
-export default {
-    methods: {
-        updateLastChangedTo(result) {
-            this.set({ lastChangedTo: result })
-        }
-    }
-}
-</script>
+	export default {
+		methods: {
+			updateLastChangedTo(result) {
+				this.set({ lastChangedTo: result });
+			}
+		}
+	};
+</script>