Relax regex in karaf 4.2 even more

If we can't match the last part of the command echo, just look for last
5 characters. This is a hacky attempt at getting pexpect to work in all
situations with Karaf 4.2

Change-Id: Ie68f67f8cab5017521be5d13b80d367c18d03ea5
diff --git a/TestON/drivers/common/cli/onosclidriver.py b/TestON/drivers/common/cli/onosclidriver.py
index a15a961..626e8ca 100755
--- a/TestON/drivers/common/cli/onosclidriver.py
+++ b/TestON/drivers/common/cli/onosclidriver.py
@@ -598,6 +598,8 @@
                 output = response.split( endStr.strip(), 1 )
             else:
                 output = response.split( cmdStr.strip(), 1 )
+                if len(output) < 2:
+                    output = response.split( endStr.strip()[-5:], 1 )
             if output:
                 if debug:
                     main.log.debug( self.name + ": split output" )