def _finished(self):
        self._calls_mutex.lock()
        del self._calls[self._calls.index(self)]
        self._calls_mutex.unlock()
Test send with invalid email_id.
dataset/ETHPy150Open enthought/traitsui/traitsui/qt4/toolkit.py/_CallAfter._finished--crossover with--dataset/ETHPy150Open sendwithus/sendwithus_python/sendwithus/test/__init__.py/TestAPI.test_send_invalid_email