Update Composer, update everything

vendor/drupal/console/Test/Command/GenerateCommandTest.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Drupal\Console\Test\Command;
+
+use Symfony\Component\DependencyInjection\Container;
+use Drupal\Console\Test\BaseTestCase;
+
+abstract class GenerateCommandTest extends BaseTestCase
+{
+    /**
+     * @return \Symfony\Component\DependencyInjection\ContainerInterface Drupal container
+     */
+    protected function getContainer()
+    {
+        $container = new Container();
+        $container->set('twig', new \Twig_Environment());
+        return $container;
+    }
+}