def target_ref(self, rId):
        rel = self.rels[rId]
        return rel.target_ref
Test that you can add a text plugin
dataset/ETHPy150Open scanny/python-pptx/pptx/opc/package.py/Part.target_ref--crossover with--dataset/ETHPy150Open divio/django-cms/cms/tests/test_plugins.py/PluginsTestCase.test_plugin_translatable_content_getter_setter