Adding test script

Use it to torture an instance

Change-Id: I5768d6d95b3dfa9ce0e50ca8760790bfd0dedeaf
Merge "Adding test script"
Merge remote-tracking branch 'origin/master' into wmf-deploy

* origin/master:
  Adding test script

Change-Id: I640b42ba0804c113e50d2e00fd67b9afdafd2ed4