diff --git a/src/infra/heartbeat-runner.response-prefix-template.test.ts b/src/infra/heartbeat-runner.response-prefix-template.test.ts
index c2dadbd7536..2416bf7ef7e 100644
--- a/src/infra/heartbeat-runner.response-prefix-template.test.ts
+++ b/src/infra/heartbeat-runner.response-prefix-template.test.ts
@@ -93,11 +93,10 @@ describe("runHeartbeatOnce responsePrefix templates", () => {
     });
 
     expect(sendTelegram).toHaveBeenCalledTimes(1);
-    expect(sendTelegram).toHaveBeenCalledWith(
-      TELEGRAM_GROUP,
-      "[openai-codex/gpt-5.4|think:high] Heartbeat alert",
-      expect.any(Object),
-    );
+    const [target, message, options] = sendTelegram.mock.calls[0] ?? [];
+    expect(target).toBe(TELEGRAM_GROUP);
+    expect(message).toBe("[openai-codex/gpt-5.4|think:high] Heartbeat alert");
+    expect(typeof options).toBe("object");
   });
 
   it("uses the resolved responsePrefix when suppressing prefixed HEARTBEAT_OK replies", async () => {
diff --git a/src/infra/heartbeat-runner.returns-default-unset.test.ts b/src/infra/heartbeat-runner.returns-default-unset.test.ts
index 96ef9f2feda..c61ea21a1bb 100644
--- a/src/infra/heartbeat-runner.returns-default-unset.test.ts
+++ b/src/infra/heartbeat-runner.returns-default-unset.test.ts
@@ -834,7 +834,7 @@ describe("runHeartbeatOnce", () => {
         replySpy,
         0,
         {
-          Body: expect.stringMatching(/Ops check[\s\S]*Current time: /),
+          Body: /Ops check[\s\S]*Current time: /,
           SessionKey: sessionKey,
           From: "120363401234567890@g.us",
           To: "120363401234567890@g.us",
diff --git a/src/infra/outbound/message.channels.test.ts b/src/infra/outbound/message.channels.test.ts
index 92aaf803c1e..f2b214b386a 100644
--- a/src/infra/outbound/message.channels.test.ts
+++ b/src/infra/outbound/message.channels.test.ts
@@ -156,11 +156,11 @@ describe("sendMessage channel normalization", () => {
         },
       },
       assertDeps: (deps: { localchat?: ReturnType<typeof vi.fn> }) => {
-        expect(deps.localchat).toHaveBeenCalledWith(
-          "someone@example.com",
-          "hi",
-          expect.any(Object),
-        );
+        expect(deps.localchat).toHaveBeenCalledTimes(1);
+        const [to, text, options] = deps.localchat?.mock.calls[0] ?? [];
+        expect(to).toBe("someone@example.com");
+        expect(text).toBe("hi");
+        expect(typeof options).toBe("object");
       },
       expectedChannel: "localchat",
     },