def key(self, source_string):
        return source_string if not self.supports_keys else source_string + ' Key'

    # Parse tests assume that they're running off of a common
    # translation file, passed in as the first argument. The second
    # argument is the index of the entity used for that test.
Setup tests.
dataset/ETHPy150Open mozilla/pontoon/pontoon/sync/tests/formats/__init__.py/FormatTestsMixin.key--crossover with--dataset/ETHPy150Open home-assistant/home-assistant/tests/test_loader.py/TestLoader.setUp