[GITHUB] Moves common code to all auto-generated Interceptor classes into a trait

Fix integration tests

Author: otoolec

dev/tests/integration/testsuite/Magento/Framework/Code/_expected/SourceClassWithNamespaceInterceptor.php.sample

@@ -5,7 +5,7 @@ namespace Magento\Framework\Code\GeneratorTest\SourceClassWithNamespace;
  * Copyright © 2015 Magento. All rights reserved.
  * See COPYING.txt for license details.
  */
-class Interceptor extends \Magento\Framework\Code\GeneratorTest\SourceClassWithNamespace
+class Interceptor extends \Magento\Framework\Code\GeneratorTest\SourceClassWithNamespace implements \Magento\Framework\Interception\InterceptorInterface
 {
     use \Magento\Framework\Interception\Interceptor;
 

lib/internal/Magento/Framework/Interception/Chain/Chain.php

@@ -35,8 +35,13 @@ public function __construct(PluginListInterface $pluginList)
      * @param array $arguments
      * @return mixed|void
      */
-    public function invokeNext($type, $method, InterceptorInterface $subject, array $arguments, $previousPluginCode = null)
-    {
+    public function invokeNext(
+        $type,
+        $method,
+        InterceptorInterface $subject,
+        array $arguments,
+        $previousPluginCode = null
+    ) {
         $pluginInfo = $this->pluginList->getNext($type, $method, $previousPluginCode);
         $capMethod = ucfirst($method);
         $result = null;

lib/internal/Magento/Framework/Interception/ChainInterface.php

@@ -16,5 +16,11 @@ interface ChainInterface
      * @param string $previousPluginCode
      * @return mixed
      */
-    public function invokeNext($type, $method, InterceptorInterface $subject, array $arguments, $previousPluginCode = null);
+    public function invokeNext(
+        $type,
+        $method,
+        InterceptorInterface $subject,
+        array $arguments,
+        $previousPluginCode = null
+    );
 }