[ONOS-7937] Add option to skip alarm logging in cleanAndExit

Change-Id: Ibee1688e8ac426798c21f0c347af7d4e8c2ca6cf
(cherry picked from commit 7880b371b7ada1dfc1ef5ae2beee1e2b57070895)
diff --git a/TestON/tests/dependencies/ONOSSetup.py b/TestON/tests/dependencies/ONOSSetup.py
index a3f0e2b..cf1e14e 100644
--- a/TestON/tests/dependencies/ONOSSetup.py
+++ b/TestON/tests/dependencies/ONOSSetup.py
@@ -440,8 +440,7 @@
                     ctrl.name,
                     ctrl.CLI.sendline( "scr:list | grep -v ACTIVE" ) ) )
             main.log.error( "Failed to start ONOS, stopping test" )
-            main.log.alarm( "Failed to start ONOS: not all nodes are in READY state" )
-            main.cleanAndExit()
+            main.cleanAndExit( msg="Failed to start ONOS: not all nodes are in READY state" )
         return main.TRUE
 
     def checkOnosApps( self, cluster, apps ):