174     struct TestTimerObserver {  struct
181     impl Default for TestTimerObserver {  implementation
183             TestTimerObserver {  in default()
193     impl RtxTimerObserver for TestTimerObserver {  implementation
227         let obs = Arc::new(Mutex::new(TestTimerObserver {  in test_rtx_timer_callback_interval()
254         let obs = Arc::new(Mutex::new(TestTimerObserver {  in test_rtx_timer_last_start_wins()
282         let obs = Arc::new(Mutex::new(TestTimerObserver {  in test_rtx_timer_stop_right_after_start()
307         let obs = Arc::new(Mutex::new(TestTimerObserver {  in test_rtx_timer_start_stop_then_start()
336         let obs = Arc::new(Mutex::new(TestTimerObserver {  in test_rtx_timer_start_and_stop_in_atight_loop()
362         let obs = Arc::new(Mutex::new(TestTimerObserver {  in test_rtx_timer_should_stop_after_rtx_failure()
412         let obs = Arc::new(Mutex::new(TestTimerObserver {  in test_rtx_timer_should_not_stop_if_max_retrans_is_zero()
463         let obs = Arc::new(Mutex::new(TestTimerObserver {  in test_rtx_timer_stop_timer_that_is_not_running_is_noop()
490         let obs = Arc::new(Mutex::new(TestTimerObserver {  in test_rtx_timer_closed_timer_wont_start()