diff --git a/extensions/voice-call/src/providers/twilio/api.test.ts b/extensions/voice-call/src/providers/twilio/api.test.ts
index 4abdff7be03..5d8eb132b99 100644
--- a/extensions/voice-call/src/providers/twilio/api.test.ts
+++ b/extensions/voice-call/src/providers/twilio/api.test.ts
@@ -41,15 +41,11 @@ describe("twilioApiRequest", () => {
     expect(auditContext).toBe("voice-call.twilio.api");
     expect(policy).toEqual({ allowedHostnames: ["api.twilio.com"] });
     expect(timeoutMs).toBe(30_000);
-    expect(init).toEqual(
-      expect.objectContaining({
-        method: "POST",
-        headers: {
-          Authorization: `Basic ${Buffer.from("AC123:secret").toString("base64")}`,
-          "Content-Type": "application/x-www-form-urlencoded",
-        },
-      }),
-    );
+    expect(init?.method).toBe("POST");
+    expect(init?.headers).toEqual({
+      Authorization: `Basic ${Buffer.from("AC123:secret").toString("base64")}`,
+      "Content-Type": "application/x-www-form-urlencoded",
+    });
     const requestBody = init?.body;
     if (!(requestBody instanceof URLSearchParams)) {
       throw new Error("expected URLSearchParams request body");
@@ -126,20 +122,25 @@ describe("twilioApiRequest", () => {
       release,
     });
 
-    await expect(
-      twilioApiRequest({
+    try {
+      await twilioApiRequest({
         baseUrl: "https://api.twilio.com",
         accountSid: "AC123",
         authToken: "secret",
         endpoint: "/Calls/CA123.json",
         body: {},
-      }),
-    ).rejects.toMatchObject({
-      name: "TwilioApiError",
-      httpStatus: 400,
-      twilioCode: 21220,
-      message: "Twilio API error: 400 Call is not in-progress. Cannot redirect.",
-    } satisfies Partial<TwilioApiError>);
+      });
+      throw new Error("expected Twilio API request to reject");
+    } catch (error) {
+      expect(error).toBeInstanceOf(TwilioApiError);
+      const twilioError = error as TwilioApiError;
+      expect(twilioError.name).toBe("TwilioApiError");
+      expect(twilioError.httpStatus).toBe(400);
+      expect(twilioError.twilioCode).toBe(21220);
+      expect(twilioError.message).toBe(
+        "Twilio API error: 400 Call is not in-progress. Cannot redirect.",
+      );
+    }
     expect(release).toHaveBeenCalledTimes(1);
   });
 });