Merge pull request #1281 from GnsP/sandbox-v-612-snapshot

update latest sandbox version to use in tests

Author: GnsP

sandboxjs/sandbox_version.json

@@ -1,4 +1,4 @@
 {
   "release": "latest",
-  "version": "6.11.0-SNAPSHOT"
+  "version": "6.12.0-SNAPSHOT"
 }