def test_header_hooks(self):
        self._test_action_hook('header_action_hooks', HeaderActionHook)
creates and returns (but does not insert) new event from ical
dataset/ETHPy150Open reviewboard/reviewboard/reviewboard/extensions/tests.py/HookTests.test_header_hooks--crossover with--dataset/ETHPy150Open pimutils/khal/khal/khalendar/khalendar.py/CalendarCollection.new_event