def METHOD_NAME(self):
    """Verify absence of signals outside known injection times"""
    clear_times = [
        self.injections[0].end_time - 86400,
        self.injections[-1].end_time + 86400
    ]
    injections = InjectionSet(self.inj_file.name)
    for det in self.detectors:
        for epoch in clear_times:
            ts = TimeSeries(numpy.zeros(int(10 * self.sample_rate)),
                            delta_t=1/self.sample_rate,
                            epoch=lal.LIGOTimeGPS(epoch),
                            dtype=numpy.float64)
            injections.apply(ts, det.name)
            max_amp, max_loc = ts.abs_max_loc()
            self.assertEqual(max_amp, 0)