diff --git a/extensions/msteams/src/attachments.test.ts b/extensions/msteams/src/attachments.test.ts
index 950cab6cbf7..073f84b3da8 100644
--- a/extensions/msteams/src/attachments.test.ts
+++ b/extensions/msteams/src/attachments.test.ts
@@ -647,7 +647,7 @@ describe("msteams attachments", () => {
         });
         // Should have hit the original host, NOT graph shares.
         expect(calledUrls).toContain(directUrl);
-        expect(calledUrls.some((url) => url.startsWith(GRAPH_SHARES_URL_PREFIX))).toBe(false);
+        expect(calledUrls.filter((url) => url.startsWith(GRAPH_SHARES_URL_PREFIX))).toEqual([]);
       });
     });