brand new unit tests finally

src/pages/VoiceLabPage.test.tsx

@@ -59,8 +59,15 @@ describe('VoiceLabPage', () => {
 
       await waitFor(() => {
         expect(mockedAiApiClient.generateSpeechFromText).toHaveBeenCalledWith('Hello! This is a test of the text-to-speech generation.');
-        // Expect global.Audio to have been called (Audio is now a spy)
-        expect(global.Audio).toHaveBeenCalledWith(`data:audio/mpeg;base64,${mockBase64Audio}`);
+      });
+
+      // Wait specifically for the audio constructor call
+      await waitFor(() => {
+         expect(global.Audio).toHaveBeenCalledWith(`data:audio/mpeg;base64,${mockBase64Audio}`);
+      });
+      
+      // Then check play
+      await waitFor(() => {
         expect(mockAudioPlay).toHaveBeenCalled();
       });
 

src/services/emailService.server.test.ts

@@ -2,11 +2,13 @@
 import { describe, it, expect, vi, beforeEach } from 'vitest';
 
 // Mock the nodemailer library BEFORE importing the email service.
-const mockSendMail = vi.fn().mockResolvedValue({ messageId: 'default-id' });
+const mockSendMail = vi.fn();
 
 // Mock both default and named exports to cover all import styles
 vi.mock('nodemailer', () => {
-  // Return a consistent mock object structure
+  // Ensure the mock returns a promise by default inside the factory to prevent startup errors
+  mockSendMail.mockResolvedValue({ messageId: 'default-id' });
+
   const createTransport = vi.fn(() => ({
     sendMail: mockSendMail,
   }));

src/services/notificationService.test.ts

@@ -8,15 +8,12 @@ const errorMock = vi.fn();
 
 // Mock react-hot-toast
 vi.mock('react-hot-toast', () => {
-  const toastMock = vi.fn();
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  (toastMock as any).success = (...args: any[]) => successMock(...args);
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  (toastMock as any).error = (...args: any[]) => errorMock(...args);
-
+  const toast = vi.fn() as any;
+  toast.success = successMock;
+  toast.error = errorMock;
   return {
-    default: toastMock,
-    toast: toastMock,
+    default: toast,
+    toast,
   };
 });