Use new image for kitchen tests

Change-Id: I84a3bab57955fbfd794f9aa123d3fcbf44581905
diff --git a/.travis.yml b/.travis.yml
index 684984f..e60b766 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,10 +17,18 @@
   - bundle install
 
 env:
-    - PLATFORM=trevorj/salty-whales:xenial SUITE=single
-    - PLATFORM=trevorj/salty-whales:xenial SUITE=cluster
-    - PLATFORM=trevorj/salty-whales:xenial SUITE=curator
-    - PLATFORM=trevorj/salty-whales:xenial SUITE=client
+    - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2016.3 SUITE=single
+    - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2016.3 SUITE=cluster
+    - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2016.3 SUITE=curator
+    - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2016.3 SUITE=client
+    - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 SUITE=single
+    - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 SUITE=cluster
+    - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 SUITE=curator
+    - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 SUITE=client
+#    - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-bionic-salt-2017.7 SUITE=single
+#    - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-bionic-salt-2017.7 SUITE=cluster
+#    - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-bionic-salt-2017.7 SUITE=curator
+#    - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-bionic-salt-2017.7 SUITE=client
 
 before_script:
   - set -o pipefail