public async Task InitAsync_DoesNotSetLoadingFailed_IfSuccessfull() { BookReference bookReference = new BookReference(); Book book = new Book(); _bookServiceMock.Setup(s => s.LoadBookAsync(bookReference)).Returns(Task.FromResult(book)).Verifiable(); await _viewModel.InitAsync(bookReference); Assert.IsFalse(_viewModel.LoadingFailed); _bookServiceMock.Verify(); _eventAggregator.Verify(); }