32977 Added heredoc syntax

Author: AZiniukhin

dev/tests/integration/testsuite/Magento/Checkout/Block/Cart/Item/RendererTest.php

@@ -113,8 +113,11 @@ public function testTextAreaCustomOption()
         $this->renderer->getLayout()->setBlock('checkout.item.price.row', $priceBlock);
         $html = $this->renderer->toHtml();
 
-        $this->assertMatchesRegularExpression('/Test product simple with
+        $this->assertMatchesRegularExpression(<<<EOT
+/Test product simple with
 custom option text area
-with more 50 characters/', $html);
+with more 50 characters/
+EOT
+, $html);
     }
 }

dev/tests/integration/testsuite/Magento/Checkout/_files/cart_with_simple_product_and_custom_option_text_area.php

@@ -29,9 +29,11 @@
             $value = key($option->getValues());
             break;
         default:
-            $value = 'Test product simple with
+            $value = <<<EOT
+            Test product simple with
 custom option text area
-with more 50 characters';
+with more 50 characters
+EOT;
             break;
     }
     $options[$option->getId()] = $value;