def update_read_at(self):
        self.read_at = datetime.datetime.utcnow()
Tests that hidden files are reported.
dataset/ETHPy150Open tschellenbach/Stream-Framework/stream_framework/activity.py/AggregatedActivity.update_read_at--crossover with--dataset/ETHPy150Open mozilla/app-validator/tests/test_content.py/TestContent.test_too_much_garbage