public void testReset() {
HystrixTimer timer = HystrixTimer.getInstance();
TestListener l1 = new TestListener(50, "A");
timer.addTimerListener(l1);
ScheduledExecutor ex = timer.executor.get();
assertFalse(ex.executor.isShutdown());
// perform reset which should shut it down
HystrixTimer.reset();
assertTrue(ex.executor.isShutdown());
assertNull(timer.executor.get());
// assert it starts up again on use
TestListener l2 = new TestListener(50, "A");
timer.addTimerListener(l2);
ScheduledExecutor ex2 = timer.executor.get();
assertFalse(ex2.executor.isShutdown());
// reset again to shutdown what we just started
HystrixTimer.reset();