public async Task ShouldEditModel() { //Arrange var vehicleModel = new VehicleModel() { Id = 1, Name = "Car Model", Abrv = "CM", MakeId = 1 }; _modelRepoMock.Setup(x => x.Edit(vehicleModel)).ReturnsAsync(true); //Act var result = await _sut.EditVehicleModel(vehicleModel); //Assert result.Should().BeTrue(); }