Add vendor and .env to make usable

vendor/symfony/http-kernel/Tests/DependencyInjection/MergeExtensionConfigurationPassTest.php

@@ -0,0 +1,55 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\Tests\DependencyInjection;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpKernel\DependencyInjection\MergeExtensionConfigurationPass;
+
+class MergeExtensionConfigurationPassTest extends TestCase
+{
+    public function testAutoloadMainExtension()
+    {
+        $container = $this->getMockBuilder('Symfony\\Component\\DependencyInjection\\ContainerBuilder')->setMethods(array('getExtensionConfig', 'loadFromExtension', 'getParameterBag', 'getDefinitions', 'getAliases', 'getExtensions'))->getMock();
+        $params = $this->getMockBuilder('Symfony\\Component\\DependencyInjection\\ParameterBag\\ParameterBag')->getMock();
+
+        $container->expects($this->at(0))
+            ->method('getExtensionConfig')
+            ->with('loaded')
+            ->will($this->returnValue(array(array())));
+        $container->expects($this->at(1))
+            ->method('getExtensionConfig')
+            ->with('notloaded')
+            ->will($this->returnValue(array()));
+        $container->expects($this->once())
+            ->method('loadFromExtension')
+            ->with('notloaded', array());
+
+        $container->expects($this->any())
+            ->method('getParameterBag')
+            ->will($this->returnValue($params));
+        $params->expects($this->any())
+            ->method('all')
+            ->will($this->returnValue(array()));
+        $container->expects($this->any())
+            ->method('getDefinitions')
+            ->will($this->returnValue(array()));
+        $container->expects($this->any())
+            ->method('getAliases')
+            ->will($this->returnValue(array()));
+        $container->expects($this->any())
+            ->method('getExtensions')
+            ->will($this->returnValue(array()));
+
+        $configPass = new MergeExtensionConfigurationPass(array('loaded', 'notloaded'));
+        $configPass->process($container);
+    }
+}