public async void Get_null_record()
{
var mock = new ServiceMockFacade <ILinkTypesRepository>();
mock.RepositoryMock.Setup(x => x.Get(It.IsAny <int>())).Returns(Task.FromResult <LinkTypes>(null));
var service = new LinkTypesService(mock.LoggerMock.Object,
mock.RepositoryMock.Object,
mock.ModelValidatorMockFactory.LinkTypesModelValidatorMock.Object,
mock.BOLMapperMockFactory.BOLLinkTypesMapperMock,
mock.DALMapperMockFactory.DALLinkTypesMapperMock);
ApiLinkTypesResponseModel response = await service.Get(default(int));
response.Should().BeNull();
mock.RepositoryMock.Verify(x => x.Get(It.IsAny <int>()));
}