def setUpClass(cls):
     cls.configSettings = {
         'branching.floatVariables': ['Bhi', 'Tlo'],
         'verbosity': 'warning',
         'depletion.materials': ['fuel*'],
         'depletion.materialVariables': ['ADENS', 'MDENS']
     }
     cls.nestedSettings = {
         'branching': {
             'floatVariables':
             cls.configSettings['branching.floatVariables']
         },
         'depletion': {
             'materials':
             cls.configSettings['depletion.materials'],
             'materialVariables':
             cls.configSettings['depletion.materialVariables']
         },
         'verbosity': cls.configSettings['verbosity']
     }
     cls.files = {
         'singleLevel': 'singleLevelConf.yaml',
         'nested': 'nestedConf.yaml',
         'badNested': 'badNestedConf.yaml'
     }
     cls.rc = settings.UserSettingsLoader()
 def setUpClass(cls):
     cls.rc = settings.UserSettingsLoader()
     cls.rc['depletion.metadataKeys'] = ['ZAI']