bluetooth_AdapterPairing.mouse.suspend_resume failing with different reasons


See the failure reason at the link below:
https://stainless.corp.google.com/search?view=list&first_date=2018-08-17&last_date=2018-08-23&suite=%5Ebluetooth%5C_chameleon%24&test=%5Ebluetooth_AdapterPairing%5C.mouse%5C.suspend_resume%24&status=FAIL&status=ERROR&status=ABORT&exclude_cts=true&exclude_not_run=false&exclude_non_release=true&exclude_au=true&exclude_acts=true&exclude_retried=true&exclude_non_production=false



Sample log...

08/21 15:53:42.705 INFO |bluetooth_adapter_:0374| [*** passed: test_device_is_paired]
08/21 15:53:48.330 ERROR|bluetooth_adapter_:0062| EnterCommandMode: <Fault 1: "<class 'chameleond.utils.bluetooth_rn42.RN42Exception'>:Failure to get advertised name in entering command mode: Unexpected response in getting advertised name: .">
08/21 15:53:48.330 ERROR|bluetooth_adapter_:0927| EnterCommandMode failed
08/21 15:53:48.331 ERROR|bluetooth_adapter_:0309| test_connection_by_device failed at the 1st time.
08/21 15:53:48.331 INFO |bluetooth_adapter_:0313| test_connection_by_device: retry the 2nd time.
08/21 15:53:49.349 INFO |bluetooth_adapter_:0280| retry: creating a new serial device...
08/21 15:53:49.349 INFO |bluetooth_adapter_:0195| Remove the old serial device and create a new one.
08/21 15:53:50.132 ERROR|bluetooth_adapter_:0062| EnterCommandMode: <Fault 1: "<class 'chameleond.utils.bluetooth_rn42.RN42Exception'>:Failure to get advertised name in entering command mode: Unexpected response in getting advertised name: .">
08/21 15:53:50.132 INFO |bluetooth_adapter_:0214| Skip rebooting chameleon.
08/21 15:53:50.132 ERROR|bluetooth_adapter_:0378| [--- failed: test_connection_by_device (None)]
08/21 15:53:55.172 INFO |bluetooth_adapter_:0374| [*** passed: test_device_name]
08/21 15:53:57.354 INFO |bluetooth_adapter_:0374| [*** passed: test_disconnection_by_adapter]
08/21 15:54:05.193 INFO |bluetooth_adapter_:0374| [*** passed: test_connection_by_device]
08/21 15:54:05.738 INFO |bluetooth_adapter_:0374| [*** passed: test_disconnection_by_device]
08/21 15:54:05.823 INFO |bluetooth_adapter_:0374| [*** passed: test_remove_pairing]
08/21 15:54:05.823 INFO |bluetooth_AdapterP:0182| ===  (pass = 0, fail = 1) / total 1  ===

08/21 15:54:05.823 DEBUG|              test:0381| Test failed due to {'Round 1': ['[--- failed: test_connection_by_device (None)]']}. Exception log follows the after_iteration_hooks.