diff --git a/extensions/moonshot/media-understanding-provider.test.ts b/extensions/moonshot/media-understanding-provider.test.ts
index 73e0d46af8b..07cdcb811c2 100644
--- a/extensions/moonshot/media-understanding-provider.test.ts
+++ b/extensions/moonshot/media-understanding-provider.test.ts
@@ -54,10 +54,12 @@ describe("describeMoonshotVideo", () => {
     if (!content) {
       throw new Error("expected Moonshot user content");
     }
-    expect(content[0]).toMatchObject({
-      type: "text",
-      text: "Describe the video.",
-    });
+    const [textContent] = content;
+    if (!textContent) {
+      throw new Error("expected Moonshot text content");
+    }
+    expect(textContent.type).toBe("text");
+    expect(textContent.text).toBe("Describe the video.");
     const videoContent = content[1];
     if (!videoContent) {
       throw new Error("expected Moonshot video content");