MAGETWO-94946: Tax isn't calculated for all type of virtual products if use PayPal checkout as payment method.

Author: zakdma

app/code/Magento/Paypal/Model/Api/PayflowNvp.php

@@ -732,6 +732,7 @@ protected function _prepareExpressCheckoutCallRequest(&$requestFields)
 
     /**
      * Additional response processing.
+     *
      * Hack to cut off length from API type response params.
      *
      * @param  array $response
@@ -789,7 +790,8 @@ protected function _exportLineItems(array &$request, $i = 0)
     }
 
     /**
-     * Set specific data when negative line item case
+     * Set specific data when negative line item case.
+     *
      * @return void
      */
     protected function _setSpecificForNegativeLineItems()