3) role::thumbor should compile into a catalogue without dependency cycles
   Failure/Error: it { is_expected.to compile }

     error during compilation: Evaluation Error: Error while evaluating a Resource Statement, Evaluation Error: Error while evaluating a Function Call, Failed to parse template thumbor/systemd/thumbor.erb:
       Filepath: /Users/bd808/projects/wmf/vagrant-disposable/puppet/modules/thumbor/templates/systemd/thumbor.erb
       Line: 12
       Detail: can't convert nil into Integer
      at /Users/bd808/projects/wmf/vagrant-disposable/puppet/modules/systemd/manifests/service.pp:71:20 at /Users/bd808/projects/wmf/vagrant-disposable/puppet/modules/thumbor/manifests/service.pp:29 on node wmf-bd808-mbp01.local
   # ./puppet/spec/integration/roles_spec.rb:20:in `block (3 levels) in <top (required)>'