public function testVisit()
{
$visitor = $this->getVisitor();
$generator = $this->getGenerator();
$generator->startDocument(null);
$relationList = new RelationList(array(), 42, 21);
$this->addRouteExpectation('ezpublish_rest_loadVersionRelations', array('contentId' => $relationList->contentId, 'versionNumber' => $relationList->versionNo), "/content/objects/{$relationList->contentId}/versions/{$relationList->versionNo}/relations");
$visitor->visit($this->getVisitorMock(), $generator, $relationList);
$result = $generator->endDocument(null);
$this->assertNotNull($result);
return $result;
}