public async void ByDataVersion_Not_Exists()
{
var mock = new ServiceMockFacade <IChannelRepository>();
mock.RepositoryMock.Setup(x => x.ByDataVersion(It.IsAny <byte[]>())).Returns(Task.FromResult <List <Channel> >(new List <Channel>()));
var service = new ChannelService(mock.LoggerMock.Object,
mock.RepositoryMock.Object,
mock.ModelValidatorMockFactory.ChannelModelValidatorMock.Object,
mock.BOLMapperMockFactory.BOLChannelMapperMock,
mock.DALMapperMockFactory.DALChannelMapperMock);
List <ApiChannelResponseModel> response = await service.ByDataVersion(default(byte[]));
response.Should().BeEmpty();
mock.RepositoryMock.Verify(x => x.ByDataVersion(It.IsAny <byte[]>()));
}