add a failing test for svg rendered via child component

test/compiler/svg-child-component/Rect.html

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+<rect x='{{x}}' y='{{y}}' width='{{width}}' height='{{height}}'/>

test/compiler/svg-child-component/_config.js

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+export default {
+	skip: true,
+	data: {
+		x: 0,
+		y: 0,
+		width: 100,
+		height: 100
+	},
+	html: `<svg><rect x="0" y="0" width="100" height="100"></rect></svg>`,
+	test ( assert, component, target ) {
+		const svg = target.querySelector( 'svg' );
+		const rect = target.querySelector( 'rect' );
+
+		assert.equal( svg.namespaceURI, 'http://www.w3.org/2000/svg' );
+		assert.equal( rect.namespaceURI, 'http://www.w3.org/2000/svg' );
+
+		component.set({ width: 150, height: 50 });
+		assert.equal( target.innerHTML, `<svg><rect x="0" y="0" width="150" height="50"></rect></svg>` );
+	}
+};

test/compiler/svg-child-component/main.html

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+<svg>
+	<Rect x='{{x}}' y='{{y}}' width='{{width}}' height='{{height}}'/>
+</svg>
+<script>
+	import Rect from './Rect.html';
+
+	export default {
+		components: { Rect }
+	};
+</script>