def testOneEngineMandatory(self):
        xmlparamsfile = StringIO(self.missingengine)
        self.assertRaises(MissingParameter, XmlParamsParser, 
                xmlparamsfile)
Returns `True` if the user provided in the serializer context is the
dataset/ETHPy150Open jcbagneris/fms/tests/utils.py/XmlParserTests.testOneEngineMandatory--crossover with--dataset/ETHPy150Open ExCiteS/geokey/geokey/contributions/serializers.py/FileSerializer.get_isowner