MAGETWO-44603: Styles are lost on Storefront if CSS files minification is enabled in "default" mode

- Fixed test

Author: Dell-

app/code/Magento/Deploy/etc/module.xml

@@ -9,6 +9,7 @@
     <module name="Magento_Deploy" setup_version="2.0.0">
         <sequence>
             <module name="Magento_Store"/>
+            <module name="Magento_Developer"/>
         </sequence>
     </module>
 </config>

lib/internal/Magento/Framework/Css/PreProcessor/Adapter/Less/Processor.php

@@ -5,6 +5,7 @@
  */
 namespace Magento\Framework\Css\PreProcessor\Adapter\Less;
 
+use Magento\Setup\Module\I18n\Dictionary\Phrase;
 use Psr\Log\LoggerInterface;
 use Magento\Framework\App\State;
 use Magento\Framework\View\Asset\File;
@@ -88,15 +89,15 @@ public function processContent(File $asset)
                 $errorMessage = PHP_EOL . self::ERROR_MESSAGE_PREFIX . PHP_EOL . $path;
                 $this->logger->critical($errorMessage);
 
-                throw new ContentProcessorException(__($errorMessage));
+                throw new ContentProcessorException(new Phrase($errorMessage));
             }
 
             return $content;
         } catch (\Exception $e) {
             $errorMessage = PHP_EOL . self::ERROR_MESSAGE_PREFIX . PHP_EOL . $path . PHP_EOL . $e->getMessage();
             $this->logger->critical($errorMessage);
 
-            throw new ContentProcessorException(__($errorMessage));
+            throw new ContentProcessorException(new Phrase($errorMessage));
         }
     }
 }