def get_all(self, name, failobj=None):
        values = []
        name = name.lower()
        for k, v in self._headers:
            if k.lower() == name:
                values.append(v)
        if not values:
            return failobj
        return values
Test manager excludes soft delete add-ons.
dataset/ETHPy150Open kleientertainment/ds_mod_tools/pkg/win32/Python27/Lib/email/message.py/Message.get_all--crossover with--dataset/ETHPy150Open mozilla/addons-server/src/olympia/editors/tests/test_models.py/TestRereviewQueueTheme.test_manager_soft_delete_addons