Add tests

test/runtime/samples/store-each-binding/_config.js

@@ -0,0 +1,14 @@
+export default {
+	async test({ assert, target, window }) {
+		const input = target.querySelector('input');
+
+		const event = new window.Event('input');
+		input.value = 'changed';
+		await input.dispatchEvent(event);
+
+		assert.htmlEqual(target.innerHTML, `
+			<input>
+			<p>changed</p>
+		`);
+	}
+};

test/runtime/samples/store-each-binding/main.svelte

@@ -0,0 +1,13 @@
+<script>
+	import { writable } from 'svelte/store';
+
+	const items = writable([
+		 { id: 0, text: 'inital' }
+	]);
+</script>
+
+{#each $items as item, index}
+	<input bind:value={item.text}>
+{/each}
+
+<p>{$items[0].text}</p>