test if minion results are a JSONArray which indicates failure
test if minion results are a JSONArray which indicates failure

saltapi returns results such as:
  "minion1": ["Rendering SLS 'base:deploy.states.rsync_static' failed: Jinja variable 'str object' has no attribute 'rsync_client_pwfile'"]
or
  {"stratos.kix":["Rendering SLS 'base:failures.pillar' failed: Jinja variable 'dict object' has no attribute 'nope'"]}

jenkinsci/saltstack-plugin,jenkinsci/saltstack-plugin