MAGETWO-29712: [QA] Automate downloadable with taxes test cases

- CR fixes

Author: sevos1984

dev/tests/functional/tests/app/Magento/Sales/Test/Block/Adminhtml/Order/Totals.php

@@ -1,9 +1,6 @@
 <?php
 /**
- * {license_notice}
- *
- * @copyright   {copyright}
- * @license     {license_link}
+ * @copyright Copyright (c) 2014 X.commerce, Inc. (http://www.magentocommerce.com)
  */
 
 namespace Magento\Sales\Test\Block\Adminhtml\Order;

dev/tests/functional/tests/app/Magento/Tax/Test/Constraint/AbstractAssertOrderTaxOnBackend.php

@@ -46,23 +46,23 @@ abstract class AbstractAssertOrderTaxOnBackend extends AbstractConstraint
     protected $severeness = 'high';
 
     /**
-     * Implementation assert
+     * Implementation for get order total prices function
      *
      * @param array $actualPrices
      * @return array
      */
     abstract protected function getOrderTotals($actualPrices);
 
     /**
-     * Implementation assert
+     * Implementation for get invoice creation page total prices function
      *
      * @param array $actualPrices
      * @return array
      */
     abstract protected function getInvoiceNewTotals($actualPrices);
 
     /**
-     * Implementation getCreditMemoNewTotals
+     * Implementation for get credit memo creation page total prices function
      *
      * @param array $actualPrices
      * @return array

dev/tests/functional/tests/app/Magento/Tax/Test/Constraint/AbstractAssertTaxCalculationAfterCheckout.php

@@ -40,15 +40,15 @@ abstract class AbstractAssertTaxCalculationAfterCheckout extends AbstractConstra
     protected $severeness = 'high';
 
     /**
-     * Implementation getReviewTotals
+     * Implementation for get order review total prices function
      *
      * @param array $actualPrices
      * @return array
      */
     abstract protected function getReviewTotals($actualPrices);
 
     /**
-     * Implementation getOrderTotals
+     * Implementation for get order total prices from customer account function
      *
      * @param array $actualPrices
      * @return array

dev/tests/functional/tests/app/Magento/Tax/Test/Constraint/AbstractAssertTaxRuleIsAppliedToAllPrices.php

@@ -55,7 +55,7 @@ abstract class AbstractAssertTaxRuleIsAppliedToAllPrices extends AbstractConstra
     protected $severeness = 'high';
 
     /**
-     * Implementation getCategoryPrices
+     * Implementation for get category prices function
      *
      * @param string $productName
      * @param array $actualPrices
@@ -64,15 +64,15 @@ abstract class AbstractAssertTaxRuleIsAppliedToAllPrices extends AbstractConstra
     abstract protected function getCategoryPrices($productName, $actualPrices);
 
     /**
-     * Implementation getProductPagePrices
+     * Implementation for get product page prices function
      *
      * @param array $actualPrices
      * @return array
      */
     abstract protected function getProductPagePrices($actualPrices);
 
     /**
-     * Implementation getTotals
+     * Implementation for get totals in cart function
      *
      * @param array $actualPrices
      * @return array