diff --git a/src/agents/provider-request-config.test.ts b/src/agents/provider-request-config.test.ts
index c5cb9f05807..76c46a7c86c 100644
--- a/src/agents/provider-request-config.test.ts
+++ b/src/agents/provider-request-config.test.ts
@@ -433,12 +433,10 @@ describe("provider request config", () => {
       precedence: "defaults-win",
     });
 
-    expect(resolved).toMatchObject({
-      originator: "openclaw",
-      version: expect.any(String),
-      "User-Agent": expect.stringMatching(/^openclaw\//),
-      "X-Custom": "1",
-    });
+    expect(resolved?.originator).toBe("openclaw");
+    expect(typeof resolved?.version).toBe("string");
+    expect(resolved?.["User-Agent"]).toMatch(/^openclaw\//);
+    expect(resolved?.["X-Custom"]).toBe("1");
   });
 
   it("lets caller headers override defaults when requested", () => {
@@ -526,13 +524,11 @@ describe("provider request config", () => {
     expect(resolved.allowPrivateNetwork).toBe(false);
     expect(resolved.policy.endpointClass).toBe("openai-public");
     expect(resolved.capabilities.allowsResponsesStore).toBe(true);
-    expect(resolved.headers).toMatchObject({
-      authorization: "Bearer test-key",
-      originator: "openclaw",
-      version: expect.any(String),
-      "User-Agent": expect.stringMatching(/^openclaw\//),
-      "X-Custom": "1",
-    });
+    expect(resolved.headers?.authorization).toBe("Bearer test-key");
+    expect(resolved.headers?.originator).toBe("openclaw");
+    expect(typeof resolved.headers?.version).toBe("string");
+    expect(resolved.headers?.["User-Agent"]).toMatch(/^openclaw\//);
+    expect(resolved.headers?.["X-Custom"]).toBe("1");
   });
 
   it("auto-allows loopback model-provider stream requests", () => {