public function testSave()
 {
     $cacheMock = $this->createCacheMock();
     $cacheMock->expects($this->once())->method('save')->with('key', 'value', 42);
     $cache = new DoctrineCacheAdapter($cacheMock);
     $cache->save('key', 'value', 42);
 }
 /**
  * {@inheritDoc}
  */
 public function save($key, $value, $lifetime = 0)
 {
     return parent::save($this->extendKey($key), $value, $lifetime);
 }