/**
  * clear assetic cache
  * @param Request $request
  * @return RedirectResponse
  */
 public function asseticAction(Request $request)
 {
     $this->cacheManager->clearAssetic();
     return $this->flashResponse($request, 'assetic', true);
 }
 /**
  * test assetic deletion
  * @covers CacheManager::clearAssetic
  */
 public function testClearAssetic()
 {
     $this->assertTrue(is_dir($this->cacheDir . DIRECTORY_SEPARATOR . 'assetic'));
     $this->cache_manager->clearAssetic();
     $this->assertFalse(is_dir($this->cacheDir . DIRECTORY_SEPARATOR . 'assetic'));
 }