Temporary switch tests to inhouse docker-salt image

Change-Id: I9d249849da775aa3fc8b6dd080337ae7b9f4054c
Bug-releted: PROD-25244 (PROD:25244)
diff --git a/src/com/mirantis/mk/SaltModelTesting.groovy b/src/com/mirantis/mk/SaltModelTesting.groovy
index eb6e546..156034b 100644
--- a/src/com/mirantis/mk/SaltModelTesting.groovy
+++ b/src/com/mirantis/mk/SaltModelTesting.groovy
@@ -31,7 +31,9 @@
     def runFinally = config.get('runFinally', [:])
     def baseRepoPreConfig = config.get('baseRepoPreConfig', true)
     def dockerContainerName = config.get('dockerContainerName', defaultContainerName)
-    def dockerImageName = config.get('image', "mirantis/salt:saltstack-ubuntu-xenial-salt-2017.7")
+    //  def dockerImageName = config.get('image', "mirantis/salt:saltstack-ubuntu-xenial-salt-2017.7")
+    // FIXME /PROD-25244
+    def dockerImageName = config.get('image', "docker-dev-virtual.docker.mirantis.net/mirantis/salt:saltstack-ubuntu-xenial-salt-2017.7")
     def dockerMaxCpus = config.get('dockerMaxCpus', 4)
     def dockerExtraOpts = config.get('dockerExtraOpts', [])
     def envOpts = config.get('envOpts', [])