Add Salt 2018.3 tests

Change-Id: Ief071b0260ee10e88ab8213d24a5d4f89be99ad4
diff --git a/.travis.yml b/.travis.yml
index 81553b5..0b81adf 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,20 +17,33 @@
   - bundle install
 
 env:
-  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 OS_VERSION=ocata SUITE=server_cluster
-  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 OS_VERSION=ocata SUITE=server_single
-  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2016.3 OS_VERSION=ocata SUITE=server_cluster
-  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2016.3 OS_VERSION=ocata SUITE=server_single
-  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 OS_VERSION=pike SUITE=server_cluster
-  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 OS_VERSION=pike SUITE=server_single
-  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2016.3 OS_VERSION=pike SUITE=server_cluster
-  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2016.3 OS_VERSION=pike SUITE=server_single
-  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 OS_VERSION=pike SUITE=server_cluster_ssl
-  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 OS_VERSION=pike SUITE=server_single_ssl
-  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2016.3 OS_VERSION=pike SUITE=server_cluster_ssl
-  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2016.3 OS_VERSION=pike SUITE=server_single_ssl
-#  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-bionic-salt-2017.7 SUITE=server-cluster
-#  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-bionic-salt-2017.7 SUITE=server-single
+  - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2016.3 OS_VERSION=ocata SUITE=server-cluster
+  - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2016.3 OS_VERSION=ocata SUITE=server-single
+  - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2016.3 OS_VERSION=pike SUITE=server-cluster
+  - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2016.3 OS_VERSION=pike SUITE=server-single
+  - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2016.3 OS_VERSION=pike SUITE=server-cluster-ssl
+  - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2016.3 OS_VERSION=pike SUITE=server-single-ssl
+  - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2017.7 OS_VERSION=ocata SUITE=server-cluster
+  - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2017.7 OS_VERSION=ocata SUITE=server-single
+  - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2017.7 OS_VERSION=pike SUITE=server-cluster
+  - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2017.7 OS_VERSION=pike SUITE=server-single
+  - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2017.7 OS_VERSION=pike SUITE=server-cluster-ssl
+  - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2017.7 OS_VERSION=pike SUITE=server-single-ssl
+  - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2018.3 OS_VERSION=ocata SUITE=server-cluster-ssl
+  - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2018.3 OS_VERSION=ocata SUITE=server-single-ssl
+  - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2018.3 OS_VERSION=pike SUITE=server-cluster
+  - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2018.3 OS_VERSION=pike SUITE=server-single
+  - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2018.3 OS_VERSION=pike SUITE=server-cluster-ssl
+  - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2018.3 OS_VERSION=pike SUITE=server-single-ssl
+#  - PLATFORM=epcim/salt:saltstack-ubuntu-bionic-salt-2017.7 OS_VERSION=pike SUITE=server-cluster
+#  - PLATFORM=epcim/salt:saltstack-ubuntu-bionic-salt-2017.7 OS_VERSION=pike SUITE=server-single
+#  - PLATFORM=epcim/salt:saltstack-ubuntu-bionic-salt-2017.7 OS_VERSION=pike SUITE=server-cluster-ssl
+#  - PLATFORM=epcim/salt:saltstack-ubuntu-bionic-salt-2017.7 OS_VERSION=pike SUITE=server-single-ssl
+#  - PLATFORM=epcim/salt:saltstack-ubuntu-bionic-salt-2018.3 OS_VERSION=pike SUITE=server-cluster
+#  - PLATFORM=epcim/salt:saltstack-ubuntu-bionic-salt-2018.3 OS_VERSION=pike SUITE=server-single
+#  - PLATFORM=epcim/salt:saltstack-ubuntu-bionic-salt-2018.3 OS_VERSION=pike SUITE=server-cluster-ssl
+#  - PLATFORM=epcim/salt:saltstack-ubuntu-bionic-salt-2018.3 OS_VERSION=pike SUITE=server-single-ssl
+
 
 before_script:
   - set -o pipefail