Fix a bug in onos rest driver

Change-Id: I6c3622ea0042ef44014efd33099b5bda8aac9a9b
diff --git a/TestON/drivers/common/api/controller/onosrestdriver.py b/TestON/drivers/common/api/controller/onosrestdriver.py
index 082ab17..15e1e88 100755
--- a/TestON/drivers/common/api/controller/onosrestdriver.py
+++ b/TestON/drivers/common/api/controller/onosrestdriver.py
@@ -1842,12 +1842,12 @@
             else:
                 main.log.error( "Error with REST request, response was: " +
                                     str( response ) )
-                return main.FALSE
+                return main.FALSE, response
         except NotImplementedError as e:
             raise e  # Inform the caller
         except ( AttributeError, TypeError ):
             main.log.exception( self.name + ": Object not as expected" )
-            return None
+            return None, None
         except Exception:
             main.log.exception( self.name + ": Uncaught exception!" )
             main.cleanup()