diff --git a/src/agents/failover-error.test.ts b/src/agents/failover-error.test.ts
index d0b8545987b..09b86be228a 100644
--- a/src/agents/failover-error.test.ts
+++ b/src/agents/failover-error.test.ts
@@ -843,13 +843,13 @@ describe("failover-error", () => {
         "400 The following tools cannot be used with reasoning.effort 'minimal': web_search.",
     });
 
-    expect(describeFailoverError(err)).toMatchObject({
-      message: "LLM request failed: provider rejected the request schema.",
-      rawError:
-        "400 The following tools cannot be used with reasoning.effort 'minimal': web_search.",
-      reason: "format",
-      status: 400,
-    });
+    const description = describeFailoverError(err);
+    expect(description.message).toBe("LLM request failed: provider rejected the request schema.");
+    expect(description.rawError).toBe(
+      "400 The following tools cannot be used with reasoning.effort 'minimal': web_search.",
+    );
+    expect(description.reason).toBe("format");
+    expect(description.status).toBe(400);
   });
 
   it("coerces JSON-wrapped OpenRouter stealth-model 404s into FailoverError", () => {
@@ -985,15 +985,14 @@ describe("failover-error", () => {
     });
     expect(err.sessionId).toBe("session:browser-abcd");
     expect(err.lane).toBe("answer");
-    expect(describeFailoverError(err)).toMatchObject({
-      provider: "anthropic",
-      model: "claude-opus-4-6",
-      profileId: "profile-2",
-      sessionId: "session:browser-abcd",
-      lane: "answer",
-      reason: "rate_limit",
-      status: 429,
-    });
+    const description = describeFailoverError(err);
+    expect(description.provider).toBe("anthropic");
+    expect(description.model).toBe("claude-opus-4-6");
+    expect(description.profileId).toBe("profile-2");
+    expect(description.sessionId).toBe("session:browser-abcd");
+    expect(description.lane).toBe("answer");
+    expect(description.reason).toBe("rate_limit");
+    expect(description.status).toBe(429);
   });
 
   it("coerceToFailoverError carries sessionId/lane from context (#42713)", () => {
diff --git a/src/agents/github-copilot-token.test.ts b/src/agents/github-copilot-token.test.ts
index ef871b7d2c9..36ec07790ff 100644
--- a/src/agents/github-copilot-token.test.ts
+++ b/src/agents/github-copilot-token.test.ts
@@ -64,16 +64,14 @@ describe("resolveCopilotApiToken", () => {
       fetchImpl: fetchImpl as unknown as typeof fetch,
     });
 
-    expect(fetchImpl).toHaveBeenCalledWith(
-      "https://api.github.com/copilot_internal/v2/token",
-      expect.objectContaining({
-        method: "GET",
-        headers: expect.objectContaining({
-          Accept: "application/json",
-          Authorization: "Bearer github-token",
-          ...buildCopilotIdeHeaders({ includeApiVersion: true }),
-        }),
-      }),
-    );
+    expect(fetchImpl).toHaveBeenCalledTimes(1);
+    const [url, init] = fetchImpl.mock.calls[0] as unknown as [string, RequestInit];
+    expect(url).toBe("https://api.github.com/copilot_internal/v2/token");
+    expect(init.method).toBe("GET");
+    expect(init.headers).toEqual({
+      Accept: "application/json",
+      Authorization: "Bearer github-token",
+      ...buildCopilotIdeHeaders({ includeApiVersion: true }),
+    });
   });
 });
diff --git a/src/agents/main-session-restart-recovery.test.ts b/src/agents/main-session-restart-recovery.test.ts
index f99c3daef87..d5677611eb4 100644
--- a/src/agents/main-session-restart-recovery.test.ts
+++ b/src/agents/main-session-restart-recovery.test.ts
@@ -235,11 +235,12 @@ describe("main-session-restart-recovery", () => {
 
     expect(result).toEqual({ recovered: 1, failed: 0, skipped: 0 });
     expect(callGateway).toHaveBeenCalledOnce();
-    expect(vi.mocked(callGateway).mock.calls[0]?.[0].params).toMatchObject({
-      sessionKey: "agent:main:main",
-      deliver: false,
-      lane: "main",
-    });
+    const resumeParams = vi.mocked(callGateway).mock.calls[0]?.[0].params as
+      | { sessionKey?: string; deliver?: boolean; lane?: string }
+      | undefined;
+    expect(resumeParams?.sessionKey).toBe("agent:main:main");
+    expect(resumeParams?.deliver).toBe(false);
+    expect(resumeParams?.lane).toBe("main");
     const store = loadSessionStore(path.join(sessionsDir, "sessions.json"));
     expect(store["agent:main:main"]?.abortedLastRun).toBe(false);
   });
@@ -308,13 +309,11 @@ describe("main-session-restart-recovery", () => {
     const beforeStoreRead = Date.now();
     const store = loadSessionStore(path.join(sessionsDir, "sessions.json"));
     const entry = store["agent:main:main"];
-    expect(entry).toMatchObject({
-      abortedLastRun: false,
-      pendingFinalDelivery: true,
-      pendingFinalDeliveryText: pendingPayload,
-      pendingFinalDeliveryAttemptCount: 1,
-      pendingFinalDeliveryLastError: null,
-    });
+    expect(entry?.abortedLastRun).toBe(false);
+    expect(entry?.pendingFinalDelivery).toBe(true);
+    expect(entry?.pendingFinalDeliveryText).toBe(pendingPayload);
+    expect(entry?.pendingFinalDeliveryAttemptCount).toBe(1);
+    expect(entry?.pendingFinalDeliveryLastError).toBeNull();
     expect(entry?.pendingFinalDeliveryCreatedAt).toBeLessThanOrEqual(beforeStoreRead);
     expect(entry?.pendingFinalDeliveryLastAttemptAt).toBeLessThanOrEqual(beforeStoreRead);
     expect(entry?.pendingFinalDeliveryLastAttemptAt ?? 0).toBeGreaterThanOrEqual(