Switch to 2017.7 as default

Change-Id: Idd06e869f946dbbff4173b2eeb2f3e54a4ff6707
diff --git a/tcp_tests/templates/virtual-offline-ssl/run_test.sh b/tcp_tests/templates/virtual-offline-ssl/run_test.sh
index 5893042..1695eae 100755
--- a/tcp_tests/templates/virtual-offline-ssl/run_test.sh
+++ b/tcp_tests/templates/virtual-offline-ssl/run_test.sh
@@ -13,7 +13,7 @@
 export CLUSTER_NAME=virtual-offline-ssl
 export REPOSITORY_SUITE=proposed
 export DISTRIB_CODENAME=xenial
-export SALT_VERSION=2016.3
+export SALT_VERSION=2017.7
 
 export TEST_GROUP=test_mcp_pike_ovs_install
 export RUN_TEMPEST=true