public function itRemovesTemporaryFiles()
 {
     $ssh_command = new Git_Driver_Gerrit_RemoteSSHCommand(mock('Logger'));
     try {
         $ssh_command->execute($this->config, 'someFailingCommand');
     } catch (Git_Driver_Gerrit_RemoteSSHCommandFailure $e) {
     }
     $this->assertFalse(file_exists($ssh_command->getStdErrFilePath()));
 }