Updated openstack/openstack
Project: openstack/tempest  a3cca565010c7f73dc524046dac9856b0b34d237

Use shared values for test_security_group_rules

In test_security_group_rules, most created security group rules are
the same. This patch adds shared values and makes these tests use
them for cleanup.

Change-Id: Ie86c33217fc6b065844e31f9b6e37be93322f2cb