public function testYamlConfFile()
{
$fileDir = __DIR__ . '/../../Fixtures/';
$ymlFilePath = $fileDir . 'file.yml';
$confFile = new File($ymlFilePath);
$ymlConf = new YmlConfigurationFile($confFile);
$result = $ymlConf->toArray();
$this->assertInternalType('array', $result);
$this->assertNotEmpty($result);
}