public void GetAll_reeturns_doctor_list_and_check_list_count()
        {
            Mock <IUnitOfWork>      unitOfWork    = new Mock <IUnitOfWork>();
            Mock <IMongoUnitOfWork> monguofw      = new Mock <IMongoUnitOfWork>();
            Mock <IUsersService>    users         = new Mock <IUsersService>();
            DoctorService           doctorService = new DoctorService(unitOfWork.Object, monguofw.Object, users.Object);

            List <Doctor> doctors = new List <Doctor>()
            {
                new Doctor()
                {
                    Id   = Guid.NewGuid(),
                    Name = "Kristijan"
                },
                new Doctor()
                {
                    Id   = Guid.NewGuid(),
                    Name = "Filip"
                }
            };

            unitOfWork.Setup(_ => _.Doctors.GetAllWithAppointmentAsync()).Returns(Task.FromResult <IEnumerable <Doctor> >(doctors));

            var a = doctorService.GetAllWithAppointment();

            var res = Assert.IsType <List <Doctor> >(a.Result);

            Assert.Equal(2, res.Count);
        }