Reduce the amount of ec2api tests from 161 to 14
Reduce the amount of ec2api tests from 161 to 14

The previous ec2api tempest regex was matching 161 tests so we were
trying to run all of that, greatly affecting testing duration.
We're lowering that to 14 which is much more reasonable.

Change-Id: Ib662094e588414bf7a87d2b9659d8e9ead0a0077

openstack/puppet-openstack-integration,openstack/puppet-openstack-integration,openstack/puppet-openstack-integration