tests: vty: Extend test to do some numeric range validations

As per current status, the numeric tests are expected to fail due to a
couple bugs which will be fixed in next commits.

Change-Id: Id5b17bd96d7af4ed9a77ebbea0e6be4b0fcbde6c
diff --git a/tests/vty/vty_test.ok b/tests/vty/vty_test.ok
index d2c9611..d81c6c7 100644
--- a/tests/vty/vty_test.ok
+++ b/tests/vty/vty_test.ok
@@ -311,4 +311,11 @@
 Going to execute 'ambiguous_str arg keyword'
 Called: 'ambiguous_str ARG keyword'
 Returned: 0, Current node: 1 '%s> '
+Going to test test_numeric_range()
+Going to execute 'numeric-range 0'
+Returned: 2, Current node: 1 '%s> '
+Going to execute 'numeric-range 40000'
+Returned: 2, Current node: 1 '%s> '
+Going to execute 'numeric-range -400000'
+Returned: 2, Current node: 1 '%s> '
 All tests passed