fixed cls_cots_ue.py packages ; fixed terminate_ue_flag copy-paste error

ci-scripts/cls_cots_ue.py

@@ -27,6 +27,9 @@
 #     pexpect
 #---------------------------------------------------------------------
 
+#to use isfile
+import os
+import sys
 #to use logging.info()
 import logging
 #to create a SSH object locally in the methods

ci-scripts/main.py

@@ -3656,7 +3656,8 @@ elif re.match('^TesteNB$', mode, re.IGNORECASE) or re.match('^TestUE$', mode, re
 				GetParametersFromXML(action)
 				if action == 'Initialize_UE' or action == 'Attach_UE' or action == 'Detach_UE' or action == 'Ping' or action == 'Iperf' or action == 'Reboot_UE' or action == 'DataDisable_UE' or action == 'DataEnable_UE' or action == 'CheckStatusUE':
 					if (CiTestObj.ADBIPAddress != 'none'):
-						terminate_ue_flag = False
+						#in these cases, having no devices is critical, GetAllUEDevices function has to manage it as a critical error, reason why terminate_ue_flag is set to True
+						terminate_ue_flag = True 
 						CiTestObj.GetAllUEDevices(terminate_ue_flag)
 				if action == 'Build_eNB':
 					RAN.BuildeNB()