ActiveRecordTest::testRelationsBackRef PHP Метод

    public function testRelationsBackRef($contact)
    {
        $this->assertEquals($contact->user->contact === $contact, false);
        $this->assertEquals($contact->user_with_backref->contact === $contact, true);
        $user = $contact->user;
        $this->assertEquals($user->contacts[0]->user === $user, false);
        $this->assertEquals($user->contacts_with_backref[0]->user === $user, true);
        return $contact;
    }