fix existing tests

server/test/repositories/album-user.repository.mock.ts

@@ -0,0 +1,9 @@
+import { IAlbumUserRepository } from 'src/interfaces/album-user.interface';
+
+export const newAlbumUserRepositoryMock = (): jest.Mocked<IAlbumUserRepository> => {
+  return {
+    create: jest.fn(),
+    delete: jest.fn(),
+    update: jest.fn(),
+  };
+};