Add jsonschema for docker formula

Update run_tests.sh to latest version.

Change-Id: Ia5d9407d101c0f71d273423d28c0c56288300e63
Related-prod: #PROD-20623 (PROD:20623)
diff --git a/tests/pillar/client_images.sls b/tests/pillar/client_images.sls
index 69e4b60..0538c63 100644
--- a/tests/pillar/client_images.sls
+++ b/tests/pillar/client_images.sls
@@ -6,4 +6,4 @@
   client:
     enabled: true
     images:
-      - jenkins:2.7.1
\ No newline at end of file
+      - jenkins:2.7.1