Fix a typo error in driverFunction

Change-Id: Id1d4b65bc103c4e2a3cbc4b5259c5691661a8437
diff --git a/TestON/drivers/common/cli/onosclidriver.py b/TestON/drivers/common/cli/onosclidriver.py
index a6faa03..1262b09 100755
--- a/TestON/drivers/common/cli/onosclidriver.py
+++ b/TestON/drivers/common/cli/onosclidriver.py
@@ -2244,7 +2244,7 @@
             # Check response if something wrong
             response = self.sendline( cmd, timeout=timeout )
             if response == None:
-                return main.False
+                return main.FALSE
             response = json.loads( response )
 
             # get total and installed number, see if they are match