def start_snapshot(self):
        self._current_snapshot = []
Testing that a generic e-mail hook works for all e-mail signals
dataset/ETHPy150Open serverdensity/sd-agent/resources/__init__.py/ResourcePlugin.start_snapshot--crossover with--dataset/ETHPy150Open reviewboard/reviewboard/reviewboard/extensions/tests.py/EmailHookTests.test_generic_hook