add_action, object property not accessible

Hi,
I’m probably missing something but cant figure out. Sample code does not work as i expected.

In constructor, i change object property but when i dump it returns false. I havent dig into add_action but i assume it calls call_user_func so it should pass (?) already created object (with all assigned properties) even if not, i mean if it creates another instance, it should also go through constructor and assign ‘aaa’ value to $test.

To clearify, i want to get ‘aaa’ value from $test property while in testing method.

Thanks.

class trkr_test {
    private $test = false;

    public function __construct() {
      $this->test = 'aaa';
      add_action( 'bp_setup_nav', array($this, 'testing'), 99 );
    }

    public function testing() {
      var_dump($this); // returns object with all methods and properties but $test returns false not aaa
    }
}

function trkr_load_test() {
    $trkr_test  = new trkr_test();
}

add_action( 'plugins_loaded', 'trkr_load_test', 999 );