/**
  * Deletes single cache entry
  *
  * @param string $path Cache path, eg. /sandbox
  *
  * @return bool
  * @throws \InvalidArgumentException Invalid cache patch specified. Patch which doesn't not exist but it's valid
  *     will not cause this exception.
  */
 public function deleteEntry($path)
 {
     if (DIRECTORY_SEPARATOR !== '/') {
         //Path will always have / (bcs it's http path), no matter on which OS
         $path = str_replace('/', DIRECTORY_SEPARATOR, $path);
         //...but filesystem differ
     }
     $filePath = $path . DIRECTORY_SEPARATOR . 'index.html';
     //File path
     if (!$this->finder->isReadable($filePath)) {
         return false;
     }
     if (!$this->finder->deleteFile($filePath)) {
         return false;
     }
     $this->finder->deleteDirectory($path);
     //This one can fail - if you try to delete entry /sandbox and url /sandbox/test is present /sandbox directory cannot be deleted
     return true;
 }