public void Search_InvalidModel_ReturnsModel()
        {
            //Arrange
            var model = _fixture.Create <PropertySearchViewModel>();

            var controller = new PropertyController(_propertyRepository.Object);

            //Set model to be invalid
            controller.ModelState.AddModelError("test", "test");

            //Act
            var result = controller.Search(model);

            //Assert
            var viewResult = result as ViewResult;

            Assert.IsNotNull(viewResult);
            var viewModel = viewResult.Model as PropertySearchViewModel;

            Assert.IsNotNull(viewModel);
            Assert.AreSame(model, viewModel);

            //Never call repository
            _propertyRepository.Verify(x => x.GetProperties(It.IsAny <Requirements>()), Times.Never);
        }