public function testEligibilityRoot()
 {
     $eligibilityClass = $this->eligilityService->getRootClass();
     $this->assertInstanceOf('core_kernel_classes_Class', $eligibilityClass);
     $this->assertEquals('http://www.tao.lu/Ontologies/TAOProctor.rdf#DeliveryEligibility', $eligibilityClass->getUri());
 }