Merge pull request #182 from bwitt/update-idempotency-check

Update idempotency check to use arg

Author: bastelfreak

spec/acceptance/lots_of_features_spec.rb

@@ -28,7 +28,7 @@
       PP
 
       apply_manifest(pp, catch_failures: true)
-      expect(apply_manifest(pp, catch_failures: true).exit_code).to be_zero
+      apply_manifest(pp, catch_changes: true)
     end
   end
 end