1 files changed, 8 insertions, 0 deletions
diff --git a/actioncable/Rakefile b/actioncable/Rakefile
index 1d77fc7067..5ba7b7f7f6 100644
--- a/actioncable/Rakefile
+++ b/actioncable/Rakefile
@@ -19,6 +19,14 @@ Rake::TestTask.new do |t|
   t.ruby_opts = ["--dev"] if defined?(JRUBY_VERSION)
 end
 
+namespace :test do
+  task :isolated do
+    Dir.glob("test/**/*_test.rb").all? do |file|
+      sh(Gem.ruby, '-w', '-Ilib:test', file)
+    end or raise "Failures"
+  end
+end
+
 namespace :assets do
   root_path = Pathname.new(dir)
   destination_path = root_path.join("lib/assets/compiled")