diff --git a/tests/ai-toolbar.test.ts b/tests/ai-toolbar.test.ts
index db54cf8..71e8e16 100644
--- a/tests/ai-toolbar.test.ts
+++ b/tests/ai-toolbar.test.ts
@@ -174,6 +174,9 @@ describe("AI capture redesign", () => {
 		expect(source).toContain(
 			': "grid gap-3 grid-cols-[minmax(0,0.7fr)_minmax(0,0.3fr)]"',
 		);
+		expect(source).not.toContain(
+			': "grid gap-3 grid-cols-[minmax(0,1fr)_minmax(0,1fr)]"',
+		);
 	});
 
 	test("attachments panel is a first-class surfaced region, not an inline footer affordance", () => {