Use salt image for SaltModelTesting container from public registry

Change-Id: Ie7445ce1aca5fad5b4f9894a8a03b909751c6b13
Related-Prod: PROD-27660
diff --git a/src/com/mirantis/mk/SaltModelTesting.groovy b/src/com/mirantis/mk/SaltModelTesting.groovy
index 0dad9d1..8fe116f 100644
--- a/src/com/mirantis/mk/SaltModelTesting.groovy
+++ b/src/com/mirantis/mk/SaltModelTesting.groovy
@@ -33,7 +33,7 @@
     def dockerContainerName = config.get('dockerContainerName', defaultContainerName)
     //  def dockerImageName = config.get('image', "mirantis/salt:saltstack-ubuntu-xenial-salt-2017.7")
     // FIXME /PROD-25244
-    def dockerImageName = config.get('image', "docker-prod-virtual.docker.mirantis.net/mirantis/salt:saltstack-ubuntu-xenial-salt-2017.7")
+    def dockerImageName = config.get('image', "docker-prod-local.artifactory.mirantis.com/mirantis/salt:saltstack-ubuntu-xenial-salt-2017.7")
     def dockerMaxCpus = config.get('dockerMaxCpus', 4)
     def dockerExtraOpts = config.get('dockerExtraOpts', [])
     def envOpts = config.get('envOpts', [])