def testOneEngineMandatory(self):
        ymlparamsfile = '%s/missingengine.yml' % self.fixturesdir
        self.assertRaises(MissingParameter, YamlParamsParser, 
                ymlparamsfile)
Coerces given host string to a one-item list
dataset/ETHPy150Open jcbagneris/fms/tests/utils.py/YamlParserTests.testOneEngineMandatory--crossover with--dataset/ETHPy150Open fabric/fabric/tests/test_main.py/test_accepts_non_list_hosts