Twig_Environment::addTest PHP Метод

    public function addTest($name, Twig_TestInterface $test)
    {
        if (null === $this->tests) {
            $this->getTests();
        }

        $this->tests[$name] = $test;
    }

 protected function getEnvironment()
 {
     $env = new Twig_Environment(new Twig_Loader_Array(array()));
     $env->addTest(new Twig_Test('anonymous', function () {
     }));
     return $env;
 }