public function initialize($pid)
	{
		if($this->user->tests()->instance($pid)->start())
			return true;
		else
			return false;
	}
public function initialize($pid)
	{
		if($this->user->tests()->instance($pid)->start())
			return true;
		else
			return false;
	}
public function initialize ( $ pid ) { if ( $ this -> user -> tests ( ) -> instance ( $ pid ) -> start ( ) ) return true ; else return false ; }
start or continue a test
start or continue a test