add test

Author: adiguba

packages/svelte/tests/runtime-browser/samples/head-scripts/_config.js

@@ -0,0 +1,13 @@
+import { test } from '../../assert';
+
+export default test({
+	mode: ['client'],
+	async test({ assert, window }) {
+		// wait the script to load (maybe there a better way)
+		await new Promise((resolve) => setTimeout(resolve, 1));
+		assert.htmlEqual(
+			window.document.body.innerHTML,
+			`<main><b id="r1">1</b><b id="r2">2</b><b id="r3">3</b></main>`
+		);
+	}
+});

packages/svelte/tests/runtime-browser/samples/head-scripts/main.svelte

@@ -0,0 +1,16 @@
+<script>
+	function jssrc(src) {
+		return 'data:text/javascript;base64, ' + btoa(src);
+	}
+
+	const scriptSrcs = [ 1, 2, 3 ]
+		.map(n => jssrc(`document.getElementById('r${n}').innerText = '${n}';`));
+</script>
+
+<svelte:head>
+	{#each scriptSrcs as src}
+    	<script src={src} async defer></script>
+	{/each}
+</svelte:head>
+
+<b id="r1">?</b><b id="r2">?</b><b id="r3">?</b>