diff --git a/packages/svelte/tests/runtime-legacy/samples/component-props-added/_config.js b/packages/svelte/tests/runtime-legacy/samples/component-props-added/_config.js
new file mode 100644
index 0000000000..bed8824577
--- /dev/null
+++ b/packages/svelte/tests/runtime-legacy/samples/component-props-added/_config.js
@@ -0,0 +1,15 @@
+import { test } from '../../test';
+
+export default test({
+	get props() {
+		return {};
+	},
+
+	html: '',
+
+	async test({ assert, component, target }) {
+		await component.$set({ message: 'goodbye' });
+
+		assert.htmlEqual(target.innerHTML, '<p>goodbye</p>');
+	}
+});
diff --git a/packages/svelte/tests/runtime-legacy/samples/component-props-added/main.svelte b/packages/svelte/tests/runtime-legacy/samples/component-props-added/main.svelte
new file mode 100644
index 0000000000..8ee7f80adf
--- /dev/null
+++ b/packages/svelte/tests/runtime-legacy/samples/component-props-added/main.svelte
@@ -0,0 +1,3 @@
+{#if 'message' in $$props}
+	<p>{$$props.message}</p>
+{/if}