Failing test case added.

Author: ciscoheat

packages/svelte/tests/runtime-legacy/samples/binding-input-group-each-16/_config.js

@@ -0,0 +1,23 @@
+import { test } from '../../test';
+
+export default test({
+	async test({ assert, target }) {
+		const checkboxes = /** @type {NodeListOf<HTMLInputElement>} */ (
+			target.querySelectorAll('input[type="checkbox"]')
+		);
+
+		assert.isFalse(checkboxes[0].checked);
+		assert.isTrue(checkboxes[1].checked);
+		assert.isFalse(checkboxes[2].checked);
+
+		await checkboxes[1].click();
+
+		const noChecked = target.querySelector('#output')?.innerHTML;
+		assert.equal(noChecked, '');
+
+		await checkboxes[1].click();
+
+		const oneChecked = target.querySelector('#output')?.innerHTML;
+		assert.equal(oneChecked, 'Mint choc chip');
+	}
+});

packages/svelte/tests/runtime-legacy/samples/binding-input-group-each-16/main.svelte

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+<script lang="ts">
+	import { writable } from 'svelte/store';
+	let menu = ['Cookies and cream', 'Mint choc chip', 'Raspberry ripple'];
+	let order = writable({flavours: ['Mint choc chip'], scoops: 1 });
+</script>
+
+<form method="POST">
+	<input type="radio" bind:group={$order.scoops} name="scoops" value={1} /> One scoop
+	<input type="radio" bind:group={$order.scoops} name="scoops" value={2} /> Two scoops
+	<input type="radio" bind:group={$order.scoops} name="scoops" value={3} /> Three scoops
+
+	{#each menu as flavour}
+		<input type="checkbox" bind:group={$order.flavours} name="flavours" value={flavour} /> {flavour}
+	{/each}
+</form>
+
+<div id="output">{$order.flavours.join('+')}</div>