def test_losingConnectionWithNoAbortTimeOut(self):
        """
        When a L{H2Connection} has timed the connection out but the
        C{abortTimeout} is set to L{None}, the connection is never aborted.
        """
        reactor, conn, transport = self.prepareAbortTest(abortTimeout=None)

        # Advance the clock an arbitrarily long way, and confirm it never
        # aborts.
        reactor.advance(2**32)
        self.assertTrue(transport.disconnecting)
        self.assertFalse(transport.disconnected)

        When a L{H2Connection} has timed the connection out but the
        C{abortTimeout} is set to L{None}, the connection is never aborted.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/web/test/test_http2.py