Rakefile in action_policy-0.2.4 vs Rakefile in action_policy-0.3.0.beta1

@@ -13,6 +13,16 @@
   t.libs << "test"
   t.libs << "lib"
   t.test_files = FileList["test/**/*_test.rb"]
 end
 
+namespace :test do
+  task :isolated do
+    Dir.glob("test/**/*_test.rb").all? do |file|
+      sh(Gem.ruby, "-w", "-Ilib:test", file)
+    end || raise("Failures")
+  end
+
+  task ci: %w[rubocop test:isolated spec]
+end
+
 task default: [:rubocop, :test, :spec]