public async void Get_null_record()
        {
            var mock = new ServiceMockFacade <IExtensionConfigurationRepository>();

            mock.RepositoryMock.Setup(x => x.Get(It.IsAny <string>())).Returns(Task.FromResult <ExtensionConfiguration>(null));
            var service = new ExtensionConfigurationService(mock.LoggerMock.Object,
                                                            mock.RepositoryMock.Object,
                                                            mock.ModelValidatorMockFactory.ExtensionConfigurationModelValidatorMock.Object,
                                                            mock.BOLMapperMockFactory.BOLExtensionConfigurationMapperMock,
                                                            mock.DALMapperMockFactory.DALExtensionConfigurationMapperMock);

            ApiExtensionConfigurationResponseModel response = await service.Get(default(string));

            response.Should().BeNull();
            mock.RepositoryMock.Verify(x => x.Get(It.IsAny <string>()));
        }
        public async void TestGet()
        {
            ApiExtensionConfigurationResponseModel response = await this.Client.ExtensionConfigurationGetAsync("A");

            response.Should().NotBeNull();
        }