let service: AdminService;
  let postsService = {
    findPost: async (_) => { }
  };
  let usersService = {
    findUser: async (_) => { }
  };
  const userRepo = {
    update: async (_) => { },
    findOne: async (_) => { },
  }
  const postRepo = {
    find: async (_) => [_],
    findOne: async (_) => { },
    update: async (_) => { },
  }
  const commentRepo = {
    find: async (_) => [_],
    update: async (_) => { },
  }

  beforeEach(async () => {
    const module: TestingModule = await Test.createTestingModule({
      providers: [AdminService,
        {
          provide: PostsService,
          useValue: postsService,
        },
        {
          provide: UsersService,
          useValue: usersService,
        },
        {
          provide: getRepositoryToken(User),
          useValue: userRepo,
        },
        {
          provide: getRepositoryToken(PostEntity),
          useValue: postRepo,
        },
        {
          provide: getRepositoryToken(Comment),
          useValue: commentRepo,
        },
      ],
    }).compile();

    service = module.get<AdminService>(AdminService);