spec\Fenos\Notifynder\Groups\GroupManagerSpec::it_find_a_group_by_id PHP Метод

    public function it_find_a_group_by_id(NotifynderGroupDB $groupDB, NotificationGroup $group)
    {
        $group_id = 1;
        $groupDB->find($group_id)->shouldBeCalled()->willReturn($group);
        $this->findById($group_id)->shouldReturnAnInstanceOf(NotificationGroup::class);
    }