Add test pillar for pike

Related-PROD: PROD-22015

Change-Id: Idd57383b39ec5116de9858078bd1aa6345d2e94b
diff --git a/.travis.yml b/.travis.yml
index 2982ea2..190f89b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -29,6 +29,9 @@
   - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2018.3 SUITE=api-single
   - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2018.3 SUITE=api-cluster
   - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2018.3 SUITE=manager-single
+  - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2018.3 OS_VERSION=pike SUITE=api-single
+  - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2018.3 OS_VERSION=pike SUITE=api-cluster
+  - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2018.3 OS_VERSION=pike SUITE=manager-single
   # - PLATFORM=epcim/salt:saltstack-ubuntu-bionic-salt-2017.7 SUITE=api-single
   # - PLATFORM=epcim/salt:saltstack-ubuntu-bionic-salt-2017.7 SUITE=api-cluster
   # - PLATFORM=epcim/salt:saltstack-ubuntu-bionic-salt-2017.7 SUITE=manager-single