public async Task SaveDataItem_NumericDataSide_ShouldNotFind() { IActionResult result = await _controller.SaveDataItemAsync(TestConstants.DiffId, "1", TestConstants.DataItemRequestA); await _diffService.DidNotReceiveWithAnyArgs().SaveDataItemAsync(Arg.Any <int>(), Arg.Any <DiffItemSide>(), Arg.Any <string>()); Assert.IsType <NotFoundResult>(result); }