diff --git a/extensions/senseaudio/media-understanding-provider.test.ts b/extensions/senseaudio/media-understanding-provider.test.ts
index 60614c682bb..eec79267f16 100644
--- a/extensions/senseaudio/media-understanding-provider.test.ts
+++ b/extensions/senseaudio/media-understanding-provider.test.ts
@@ -78,7 +78,8 @@ describe("transcribeSenseAudioAudio", () => {
     expect(form.get("language")).toBe("en");
     expect(form.get("prompt")).toBe("hello");
     const file = form.get("file") as Blob | { type?: string; name?: string } | null;
-    expect(file).toEqual(expect.objectContaining({ type: "audio/wav" }));
+    expect(file).not.toBeNull();
+    expect(file?.type).toBe("audio/wav");
     if (file && "name" in file && typeof file.name === "string") {
       expect(file.name).toBe("voice.wav");
     }