public function testCollectCardProperties()
 {
     $query = $this->db->getQueryBuilder();
     $query->insert($this->dbCardsPropertiesTable)->values(['addressbookid' => $query->createNamedParameter(666), 'cardid' => $query->createNamedParameter(777), 'name' => $query->createNamedParameter('FN'), 'value' => $query->createNamedParameter('John Doe'), 'preferred' => $query->createNamedParameter(0)])->execute();
     $result = $this->backend->collectCardProperties(666, 'FN');
     $this->assertEquals(['John Doe'], $result);
 }