public void GetQrCode_WhenItWasCall_ShouldBeReturnPathContainsPng() { var product = _productBuilder.GenerateProduct(); var pathIsGood = false; Task <string> task = _qrCodeService.GetQrCode(product.Modal, product.SerialNumber, product.RadioId, product.DateProduction); task.Wait(new TimeSpan(0, 0, 2)); if (task.Result.Contains(QrCodeService.QrCodeName)) { pathIsGood = true; } Assert.IsTrue(pathIsGood); }