/**
  * Test FrameworkExtension->getFunctions()
  */
 public function testGetFunctions()
 {
     $var = $this->frameworkExtension->getFunctions();
     $this->assertInternalType('array', $var);
     $containsBundleExists = false;
     foreach ($var as $function) {
         /** @var \Twig_SimpleFunction $function */
         if ($function->getName() == 'bundleExists') {
             $containsBundleExists = true;
         }
     }
     $this->assertTrue($containsBundleExists, 'bundleExists-function not found');
 }