public async Task Handle_WebDriverGeneratesScreenshotFromNavigatedUrl_CommandWithByteArrayFromThatScreenshotIsCalled() { await _sut.Handle(_message, CancellationToken.None); await _saveScreenshotCommand.Received(1) .Execute( Arg.Is <Domain.Screenshot>(s => s.Data == _screenshot.AsByteArray), Arg.Any <CancellationToken>()); }