@classmethod
    def _registerOverride(cls, mplugin, useThisPlugin):
        return
restrict megatest to an initially empty directory, need
dataset/ETHPy150Open CountZer0/PipelineConstructionSet/python/maya/site-packages/pymel-1.0.5/pymel/api/plugins.py/BasePluginMixin._registerOverride--crossover with--dataset/ETHPy150Open cjlee112/pygr/tests/annotation_hg18_megatest.py/PygrBuildNLMSAMegabase.setUp