Jamm\Tester\ClassTest::skipAllExcept PHP Method

    public function skipAllExcept($method_names)
    {
        if (!is_array($method_names)) {
            $method_names = array($method_names);
        }
        $methods = get_class_methods($this);
        $this->skip_tests = array();
        foreach ($methods as $method) {
            if (in_array($method, $method_names)) {
                continue;
            }
            if (strpos($method, $this->test_method_prefix) === 0) {
                $this->skip_tests[$method] = 1;
            }
        }
    }