public async void All_Not_Exists()
{
StudioControllerMockFacade mock = new StudioControllerMockFacade();
mock.ServiceMock.Setup(x => x.All(It.IsAny <int>(), It.IsAny <int>())).Returns(Task.FromResult <List <ApiStudioResponseModel> >(new List <ApiStudioResponseModel>()));
StudioController controller = new StudioController(mock.ApiSettingsMoc.Object, mock.LoggerMock.Object, mock.TransactionCoordinatorMock.Object, mock.ServiceMock.Object, mock.ModelMapperMock.Object);
controller.ControllerContext = new ControllerContext();
controller.ControllerContext.HttpContext = new DefaultHttpContext();
IActionResult response = await controller.All(1000, 0);
response.Should().BeOfType <OkObjectResult>();
(response as OkObjectResult).StatusCode.Should().Be((int)HttpStatusCode.OK);
var items = (response as OkObjectResult).Value as List <ApiStudioResponseModel>;
items.Should().BeEmpty();
mock.ServiceMock.Verify(x => x.All(It.IsAny <int>(), It.IsAny <int>()));
}