public function setUp()
{
parent::setUp();
$fileLocatorMock = $this->getMock('Symfony\\Component\\Config\\FileLocatorInterface');
$this->yamlLoader = $this->getMockBuilder('Cascade\\Config\\Loader\\FileLoader\\Yaml')->setConstructorArgs(array($fileLocatorMock))->setMethods(array('readFrom', 'isFile', 'validateExtension'))->getMock();
}