def METHOD_NAME(self):
    fileName = str(self.datadir.join('example_jan.nc'))
    timestr = ['xtime_start', 'xtime_end']
    variableList = \
        ['time_avg_avgValueWithinOceanRegion_avgSurfaceTemperature']
    config = self.setup_config()
    for calendar in ['gregorian', 'noleap']:
        ds = open_multifile_dataset(
            fileNames=fileName,
            calendar=calendar,
            config=config,
            timeVariableName=timestr,
            variableList=variableList)
        dsVarList = list(ds.data_vars.keys()) + list(ds.coords.keys())
        assert(numpy.all([var in dsVarList for var in variableList]))