public function setUp()
{
parent::setUp();
$fileLocatorMock = $this->getMock('Symfony\\Component\\Config\\FileLocatorInterface');
$this->mock = $this->getMockForAbstractClass('Cascade\\Config\\Loader\\FileLoader\\FileLoaderAbstract', array($fileLocatorMock), 'FileLoaderAbstractMockClass');
// Setting valid extensions for tests
\FileLoaderAbstractMockClass::$validExtensions = array('test', 'php');
}