public async void ByName_Not_Exists()
{
var mock = new ServiceMockFacade <IUserRoleRepository>();
mock.RepositoryMock.Setup(x => x.ByName(It.IsAny <string>())).Returns(Task.FromResult <UserRole>(null));
var service = new UserRoleService(mock.LoggerMock.Object,
mock.RepositoryMock.Object,
mock.ModelValidatorMockFactory.UserRoleModelValidatorMock.Object,
mock.BOLMapperMockFactory.BOLUserRoleMapperMock,
mock.DALMapperMockFactory.DALUserRoleMapperMock);
ApiUserRoleResponseModel response = await service.ByName(default(string));
response.Should().BeNull();
mock.RepositoryMock.Verify(x => x.ByName(It.IsAny <string>()));
}