Fix tests

Author: Chi-teck

templates/phpstorm-metadata/phpstorm.meta.php.twig

@@ -10,7 +10,7 @@ namespace PHPSTORM_META {
 {% endfor %}
     ])
   );
-  
+
   override(
     \Symfony\Component\DependencyInjection\ContainerInterface::get(0),
     map([

tests/dcg/Generator/_phpstorm_meta.php

@@ -9,6 +9,13 @@
     ])
   );
 
+  override(
+    \Symfony\Component\DependencyInjection\ContainerInterface::get(0),
+    map([
+      'foo' => '\Foo',
+    ])
+  );
+
   override(
     \Drupal\Core\Entity\EntityTypeManagerInterface::getStorage(0),
     map([