public async Task BookCar_GivenANewBooking_WhenBookSpecificCar_ThenSpecificCarShouldBeBooked(string email, string password, DateTime startDate, DateTime endDate) { // Given var resultAllCars = await carController.GetCars(""); var expectedCar = resultAllCars.ToList().First(); var authenticationResponse = await userController.UserLogin( new AuthenticationRequest() { Email = email, Password = password } ); var expectedBooking = CreateBooking(expectedCar.Id, authenticationResponse.UserId, startDate, endDate); // When var booking = await carController.BookCar(expectedBooking); var car = booking.Car; // Then car.Id.Should().Be(expectedBooking.CarId.ToString(), "because I booked this car!"); }