/**
  * Sets mock expectations for called method setDir in FileCache
  * @return void
  */
 private function setDir($path = self::PATH)
 {
     $this->filemanagerMock->fileExists($path)->atLeastOnce()->andReturn(true);
     $this->filemanagerMock->isDir($path)->atLeastOnce()->andReturn(true);
     $this->filemanagerMock->isWritable($path)->atLeastOnce()->andReturn(true);
     $this->filemanagerMock->getDirectory($path)->atLeastOnce()->andReturn($this->directoryMock);
 }