diff --git a/src/app/auth/keycloak.service.spec.ts b/src/app/auth/keycloak.service.spec.ts
index 098e158..fe920fb 100644
--- a/src/app/auth/keycloak.service.spec.ts
+++ b/src/app/auth/keycloak.service.spec.ts
@@ -1,39 +1,36 @@
-import { vi } from 'vitest';
 import { TestBed } from '@angular/core/testing';
+import { vi } from 'vitest';
 import { KeycloakService } from './keycloak.service';
 
-const mockKc = vi.hoisted(() => ({
-  init: vi.fn(),
-  login: vi.fn(),
-  logout: vi.fn(),
-  updateToken: vi.fn(),
-  token: 'mock-token' as string | undefined,
-  tokenParsed: { preferred_username: 'testuser' } as Record<string, string> | undefined,
-  authenticated: true as boolean | undefined,
-  onTokenExpired: undefined as (() => Promise<void> | void) | undefined,
-}));
-
-const MockKeycloak = vi.hoisted(() => vi.fn());
-
-vi.mock('keycloak-js', () => ({ default: MockKeycloak }));
-
 describe('KeycloakService', () => {
   let service: KeycloakService;
+  let mockKc: {
+    init: ReturnType<typeof vi.fn>;
+    login: ReturnType<typeof vi.fn>;
+    logout: ReturnType<typeof vi.fn>;
+    updateToken: ReturnType<typeof vi.fn>;
+    token: string | undefined;
+    tokenParsed: Record<string, string> | undefined;
+    authenticated: boolean | undefined;
+    onTokenExpired: (() => Promise<void> | void) | undefined;
+  };
 
   beforeEach(() => {
-    MockKeycloak.mockImplementation(function () { return mockKc; });
-    mockKc.init.mockResolvedValue(true);
-    mockKc.login.mockResolvedValue(undefined);
-    mockKc.logout.mockResolvedValue(undefined);
-    mockKc.updateToken.mockResolvedValue(true);
-    mockKc.token = 'mock-token';
-    mockKc.tokenParsed = { preferred_username: 'testuser' };
-    mockKc.authenticated = true;
-    mockKc.onTokenExpired = undefined;
+    mockKc = {
+      init: vi.fn().mockResolvedValue(true),
+      login: vi.fn().mockResolvedValue(undefined),
+      logout: vi.fn().mockResolvedValue(undefined),
+      updateToken: vi.fn().mockResolvedValue(true),
+      token: 'mock-token',
+      tokenParsed: { preferred_username: 'testuser' },
+      authenticated: true,
+      onTokenExpired: undefined,
+    };
 
     TestBed.resetTestingModule();
     TestBed.configureTestingModule({});
     service = TestBed.inject(KeycloakService);
+    (service as any).keycloak = mockKc;
   });
 
   afterEach(() => vi.clearAllMocks());