Sokil\Mongo\DatabaseTest::testReadSecondaryPreferred PHP Method

    public function testReadSecondaryPreferred(array $tags = null)
    {
        $this->database->readSecondaryPreferred(array(array('dc' => 'kyiv'), array('dc' => 'lviv')));
        $this->assertEquals(array('type' => \MongoClient::RP_SECONDARY_PREFERRED, 'tagsets' => array(array('dc' => 'kyiv'), array('dc' => 'lviv'))), $this->database->getReadPreference());
    }