def test_cognitive_tests_of_existent_type(self):
        subclasses_of_service = rospy.get_param(\
                "rapp_knowrob_wrapper_cognitive_tests_of_type")
        rospy.wait_for_service(subclasses_of_service)

        test_service = rospy.ServiceProxy(\
                subclasses_of_service, cognitiveTestsOfTypeSrv)

        req = cognitiveTestsOfTypeSrvRequest()
        req.test_type="ArithmeticCts"
        req.test_language="el"
        response = test_service(req)
        prefix = 'http://knowrob.org/kb/knowrob.owl#'
        self.assertEqual(prefix + 'ArithmeticCts_tDjYwuhx' in response.tests, True)
        self.assertEqual(prefix + 'ArithmeticCts_MewmmEsP' in response.tests, True)
        self.assertEqual(response.success, True)

	## Test cognitive tests of non existent type
dataset/ETHPy150Open rapp-project/rapp-platform/rapp_knowrob_wrapper/tests/functional/cognitive_exercise_system_knowrob_services_functional_tests.py/OntologyFunc.test_cognitive_tests_of_existent_type/original