🔧 Refactor test setup to use vi.spyOn for mocking useAuth module instead of direct mock replacement

code/websites/pokedex.online/tests/unit/composables/useFeatureFlags.test.js

@@ -4,22 +4,20 @@
  */
 
 import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest';
+import * as useAuthModule from '../../../src/composables/useAuth.js';
 import { useFeatureFlags } from '../../../src/composables/useFeatureFlags.js';
-import { useAuth } from '../../../src/composables/useAuth.js';
 
-vi.mock('../../src/composables/useAuth.js');
+// Mock useAuth module
+vi.spyOn(useAuthModule, 'useAuth').mockReturnValue({
+  user: { isAdmin: false, permissions: [] },
+  token: null,
+  hasPermission: vi.fn(() => false)
+});
 
 describe('useFeatureFlags', () => {
   beforeEach(() => {
     // Clear localStorage before each test
     localStorage.clear();
-
-    // Mock useAuth
-    useAuth.mockReturnValue({
-      user: { isAdmin: false, permissions: [] },
-      token: null,
-      hasPermission: vi.fn(perm => false)
-    });
   });
 
   afterEach(() => {