6 files changed, 12 insertions, 0 deletions
diff --git a/actioncable/test/channel/base_test.rb b/actioncable/test/channel/base_test.rb
index 9a3a3581e6..866bd7c21b 100644
--- a/actioncable/test/channel/base_test.rb
+++ b/actioncable/test/channel/base_test.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "test_helper"
 require "stubs/test_connection"
 require "stubs/room"
diff --git a/actioncable/test/channel/broadcasting_test.rb b/actioncable/test/channel/broadcasting_test.rb
index 3476c1db31..ab58f33511 100644
--- a/actioncable/test/channel/broadcasting_test.rb
+++ b/actioncable/test/channel/broadcasting_test.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "test_helper"
 require "stubs/test_connection"
 require "stubs/room"
diff --git a/actioncable/test/channel/naming_test.rb b/actioncable/test/channel/naming_test.rb
index 08f0e7be48..6f094fbb5e 100644
--- a/actioncable/test/channel/naming_test.rb
+++ b/actioncable/test/channel/naming_test.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "test_helper"
 
 class ActionCable::Channel::NamingTest < ActiveSupport::TestCase
diff --git a/actioncable/test/channel/periodic_timers_test.rb b/actioncable/test/channel/periodic_timers_test.rb
index 17a8e45a35..500b984ca6 100644
--- a/actioncable/test/channel/periodic_timers_test.rb
+++ b/actioncable/test/channel/periodic_timers_test.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "test_helper"
 require "stubs/test_connection"
 require "stubs/room"
diff --git a/actioncable/test/channel/rejection_test.rb b/actioncable/test/channel/rejection_test.rb
index 99c4a7603a..a6da014a21 100644
--- a/actioncable/test/channel/rejection_test.rb
+++ b/actioncable/test/channel/rejection_test.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "test_helper"
 require "stubs/test_connection"
 require "stubs/room"
diff --git a/actioncable/test/channel/stream_test.rb b/actioncable/test/channel/stream_test.rb
index 50fc7be30b..79c25d936f 100644
--- a/actioncable/test/channel/stream_test.rb
+++ b/actioncable/test/channel/stream_test.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "test_helper"
 require "stubs/test_connection"
 require "stubs/room"