public void InitializeTest()
        {
            _mockUsersDBSet = new Mock <DbSet <Users> >();
            _mockUsersDBSet.SetSource(UsersDataFactory.GetUsers());

            var contextMock = new AppreciationContext();

            contextMock.Users = _mockUsersDBSet.Object;

            var unitOfWork = new UnitOfWork(contextMock);
            var repository = new UsersRepository(unitOfWork);


            _userService = new UsersService(repository);
        }