public function initPhotoTags()
 {
     $dbCon = RsOpenFBDbTestUtils::getDbCon();
     $user1 = RsOpenFBDbTestUtils::getUser1();
     $user2 = RsOpenFBDbTestUtils::getUser2();
     $photoTag1 = RsOpenFBDbTestUtils::getPhotoTag1();
     $photoTag2 = RsOpenFBDbTestUtils::getPhotoTag2();
     $photoTag3 = RsOpenFBDbTestUtils::getPhotoTag3();
 }