Failures:

1. ChefRundeck should return false
   Failure/Error: get '/'
   ArgumentError:
   Cannot sign the request without a client name, check that :node_name is assigned

   ./lib/chef-rundeck.rb:42:in `block in class:ChefRundeck'

   ./spec/chef-rundeck_spec.rb:6:in`block (2 levels) in <top (required)>'