def testAgentMandatory(self):
        ymlparamsfile = '%s/missingagent.yml' % self.fixturesdir
        self.assertRaises(MissingParameter, YamlParamsParser, 
                ymlparamsfile)
Performs updates when the object trait changes.
dataset/ETHPy150Open jcbagneris/fms/tests/utils.py/YamlParserTests.testAgentMandatory--crossover with--dataset/ETHPy150Open enthought/traitsui/traitsui/editor.py/Editor._update_editor