Test security group creation with insufficient rules quota

As for each new security group there are 2 default rules created
we need to make sure that security group will not be created if
security group rules quota is insufficient for 2 additional rules

Depends-on: https://review.opendev.org/722652

Change-Id: Ie4dab7d27a6bc58899967220aa8e8f004dd91433
1 file changed