Add rocky config to keystone and update tests

Change-Id: I626aa02b2d3047a368b74017386bc3ad5487bebf
Related-Prod: PROD-23724 (PROD:23724)
diff --git a/.travis.yml b/.travis.yml
index 501560c..206c6e3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -19,10 +19,11 @@
 #  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-trusty-salt-2016.3 MYSQL_VERSION='5.5' SUITE=single_domain
 #  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-trusty-salt-2016.3 MYSQL_VERSION='5.5' SUITE=single_fernet
 #  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-trusty-salt-2016.3 MYSQL_VERSION='5.5' SUITE=under-apache
-  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 MYSQL_VERSION='5.7' SUITE=single
-  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 MYSQL_VERSION='5.7' SUITE=single_domain
-  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 MYSQL_VERSION='5.7' SUITE=single_fernet
-  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 MYSQL_VERSION='5.7' SUITE=under-apache
+  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 OS_VERSION='pike' SUITE=single
+  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 OS_VERSION='pike' SUITE=single_ssl
+  # - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 SUITE=single_domain
+  # - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 SUITE=single_fernet
+  # - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 SUITE=under-apache
 #  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-bionic-salt-2017.7 MYSQL_VERSION='5.7' SUITE=single
 #  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-bionic-salt-2017.7 MYSQL_VERSION='5.7' SUITE=single_domain
 #  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-bionic-salt-2017.7 MYSQL_VERSION='5.7' SUITE=single_fernet