remove references to ->getContainer in favor of static::

src/Bundle/ChillPersonBundle/Tests/Security/Authorization/PersonVoterTest.php

@@ -60,7 +60,7 @@ class PersonVoterTest extends KernelTestCase
     public function setUp()
     {
         static::bootKernel();
-        $this->voter = static::$kernel->getContainer()
+        $this->voter = static::$container
               ->get('chill.person.security.authorization.person');
         $this->prophet = new \Prophecy\Prophet();
     }