How to use the pyfrc.test_support.fake_time.TestFroze function in pyfrc

child_threads = list(self._child_threads.items())
        for thread, thread_info in child_threads:
            thread_info["time"] -= timestep
            if thread_info["time"] <= 0 and thread.is_alive():
                self._children_not_running.clear()
                thread_info["event"].set()  # Wake it up
                waiting_on.append(thread)

        # Wait for everything we woke up to sleep again.
        # Check that we did wake something up.
        if waiting_on:
            i = 0
            while not self._children_not_running.wait(0.020):
                i += 1
                if i == self._freeze_detect_threshold:
                    raise TestFroze("Waiting on %s" % waiting_on)

                # if this timed out, check to see if that particular
                # child died...
                for thread in waiting_on:
                    if thread.is_alive():
                        break  # out of the for loop, at least one child is active
                else:
                    break  # out of the while loop, everyone is dead

def test_faketime_infinite_loop_thread():
    """Test that infinite loops are detected"""

    wpilib.DriverStation._reset()

    ft = FakeTime()
    ft._freeze_detect_threshold = 5
    ft.initialize()

    it = InfiniteLoopThread(ft)
    it.start()

    with pytest.raises(TestFroze):
        ft.increment_new_packet()
        ft.increment_new_packet()

    with it.cond:
        it.cond.notify_all()