public function testAddGroupsToTheMix() { $form = new Event(); $form->setData(['subject' => 'subject1', 'event_date' => '2014-01-01', 'event_time' => '13:00', 'event_end' => '13:01']); $form->bind(new \ArrayObject(['groups' => [(object) ['id' => 1, 'name_short' => '01']]])); $this->assertTrue($form->isValid(), print_r($form->getMessages(), true)); }