public function testVerifyThatAfterSerializeToArrayResultNextCanBeUsed()
 {
     $query = $this->getMockBuilder('\\SMWQuery')->disableOriginalConstructor()->getMock();
     $store = $this->getMockBuilder('\\SMW\\Store')->disableOriginalConstructor()->getMockForAbstractClass();
     $printRequests = array();
     $results = array(new DIWikiPage('Foo', 0), new DIWikiPage('Bar', 0));
     $instance = new QueryResult($printRequests, $query, $results, $store);
     $instance->serializeToArray();
     $this->assertInternalType('array', $instance->getNext());
     $instance->getHash();
     $this->assertInternalType('array', $instance->getNext());
 }