def get_resource_uri(self, bundle_or_obj):
        raise NotImplementedError()
Tests that providing a namespace twice makes the second one extra.
dataset/ETHPy150Open toastdriven/piecrust/piecrust/resources.py/Resource.get_resource_uri--crossover with--dataset/ETHPy150Open google/closure-linter/closure_linter/closurizednamespacesinfo_test.py/ClosurizedNamespacesInfoTest.testIsExtraProvide_duplicate