diff --git a/tests/integration/tools/atlas/performanceAdvisor.test.ts b/tests/integration/tools/atlas/performanceAdvisor.test.ts
index 1d1f8553..9f9cc73a 100644
--- a/tests/integration/tools/atlas/performanceAdvisor.test.ts
+++ b/tests/integration/tools/atlas/performanceAdvisor.test.ts
@@ -247,7 +247,7 @@ describe("mocked atlas-get-performance-advisor", () => {
             },
         });
 
-        expect(response.isError).toBe(false);
+        expect(response.isError).toBeUndefined();
 
         const elements = getResponseElements(response.content);
         expect(elements).toHaveLength(2);