protected function getGitHelper($isGitDir = true)
{
$files = [$this->srcDir . '/metatest.php', $this->srcDir . '/metatest.css', $this->srcDir . '/metatest.js', $this->srcDir . '/metatest.twig'];
$helper = parent::getGitHelper($isGitDir);
$helper->listFiles()->willReturn($files);
return $helper;
}