Liip\RMT\Context::addToList PHP Method

    public function addToList($id, $class, $options = null)
    {
        $this->validateClass($class);
        if (!isset($this->lists[$id])) {
            $this->createEmptyList($id);
        }
        $this->lists[$id][] = array($class, $options);
    }

 public function testAddToList()
 {
     $this->context->addToList('prerequisites', new \Liip\RMT\Action\ComposerUpdateAction());
     $this->context->addToList('prerequisites', new \Liip\RMT\Action\ComposerUpdateAction());
     $objects = $this->context->getList('prerequisites');
     $this->assertCount(2, $objects);
     $this->assertInstanceOf('\\Liip\\RMT\\Action\\ComposerUpdateAction', $objects[0]);
     $this->assertInstanceOf('\\Liip\\RMT\\Action\\ComposerUpdateAction', $objects[1]);
 }