failing test

test/runtime/samples/component-slot-let-b/Nested.html

@@ -0,0 +1,6 @@
+<script>
+	let count = 0;
+</script>
+
+<button on:click="{() => count += 1}">+1</button>
+<slot count={count}/>

test/runtime/samples/component-slot-let-b/_config.js

@@ -0,0 +1,18 @@
+export default {
+	html: `
+		<button>+1</button>
+		<span>0</span>
+	`,
+
+	async test({ assert, target, window }) {
+		const button = target.querySelector('button');
+		const click = new window.MouseEvent('click');
+
+		await button.dispatchEvent(click);
+
+		assert.htmlEqual(target.innerHTML, `
+			<button>+1</button>
+			<span>1</span>
+		`);
+	}
+};

test/runtime/samples/component-slot-let-b/main.html

@@ -0,0 +1,7 @@
+<script>
+	import Nested from './Nested.html';
+</script>
+
+<Nested let:count>
+	<span>{count}</span>
+</Nested>