Load rabbitmq_federation plugin first

Currently the 'rabbitmq-plguins enable' command does not explicitly
enable the plugin if that is implicitly enabled in CentOS. This change
let the rabbitmq_federation plugin loaded before its management plugin
to workaround the problem.

Author: kajinamit

spec/acceptance/parameter_spec.rb

@@ -16,7 +16,7 @@ class { 'rabbitmq':
         admin_enable      => true,
       }
 
-      rabbitmq_plugin { [ 'rabbitmq_federation_management', 'rabbitmq_federation' ]:
+      rabbitmq_plugin { [ 'rabbitmq_federation', 'rabbitmq_federation_management' ]:
         ensure => present
       } ~> Service['rabbitmq-server']
 

spec/acceptance/user_spec.rb

@@ -41,10 +41,6 @@ class { 'rabbitmq':
   context 'destroy user resource' do
     it 'runs successfully' do
       pp = <<-EOS
-      if $facts['os']['family'] == 'RedHat' {
-        class { 'erlang': repo_source => 'packagecloud' }
-        Class['erlang'] -> Class['rabbitmq']
-      }
       rabbitmq_user { 'dan':
         ensure => absent,
       }