protected function setUp()
 {
     parent::setUp();
     $this->dir = sys_get_temp_dir() . '/' . $this->testCase;
     $this->diDir = $this->dir . '/DependencyInjection';
     self::$filesystem->mkdir($this->diDir, 0777, true);
 }
 protected function setUp()
 {
     parent::setUp();
     $this->filesystem = new Filesystem();
 }