svelte/test/runtime/samples/svg-xlink/_config.js

export default {
	html: `
		<svg>
			<defs>
				<circle id='stamp' r='10' fill='blue'/>
			</defs>

			<use xlink:href='#stamp' x='20' y='20'/>
		</svg>
	`,
	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();
	}
};