failing test

packages/svelte/tests/runtime-runes/samples/async-derived-in-if/Child.svelte

@@ -0,0 +1,5 @@
+<script>
+	let n = $derived(await 1);
+</script>
+
+<p>{n}</p>

packages/svelte/tests/runtime-runes/samples/async-derived-in-if/_config.js

@@ -0,0 +1,30 @@
+import { flushSync } from 'svelte';
+import { test } from '../../test';
+
+export default test({
+	html: `
+		<button>show</button>
+		<p>pending</p>
+	`,
+
+	async test({ assert, target }) {
+		const button = target.querySelector('button');
+
+		flushSync(() => button?.click());
+		await Promise.resolve();
+		await Promise.resolve();
+		await Promise.resolve();
+		await Promise.resolve();
+		await Promise.resolve();
+		await Promise.resolve();
+		flushSync();
+
+		assert.htmlEqual(
+			target.innerHTML,
+			`
+				<button>show</button>
+				<p>1</p>
+			`
+		);
+	}
+});

packages/svelte/tests/runtime-runes/samples/async-derived-in-if/main.svelte

@@ -0,0 +1,17 @@
+<script>
+	import Child from './Child.svelte';
+
+	let show = $state(false);
+</script>
+
+<button onclick={() => show = true}>show</button>
+
+<svelte:boundary>
+	{#if show}
+		<Child />
+	{/if}
+
+	{#snippet pending()}
+		<p>pending</p>
+	{/snippet}
+</svelte:boundary>