1 files changed, 9 insertions, 8 deletions
diff --git a/actionpack/test/controller/parameters/always_permitted_parameters_test.rb b/actionpack/test/controller/parameters/always_permitted_parameters_test.rb
index 059f310d49..1e8b71d789 100644
--- a/actionpack/test/controller/parameters/always_permitted_parameters_test.rb
+++ b/actionpack/test/controller/parameters/always_permitted_parameters_test.rb
@@ -1,5 +1,7 @@
-require 'abstract_unit'
-require 'action_controller/metal/strong_parameters'
+# frozen_string_literal: true
+
+require "abstract_unit"
+require "action_controller/metal/strong_parameters"
 
 class AlwaysPermittedParametersTest < ActiveSupport::TestCase
   def setup
@@ -12,17 +14,16 @@ class AlwaysPermittedParametersTest < ActiveSupport::TestCase
     ActionController::Parameters.always_permitted_parameters = %w( controller action )
   end
 
-  test "shows deprecations warning on NEVER_UNPERMITTED_PARAMS" do
-    assert_deprecated do
-       ActionController::Parameters::NEVER_UNPERMITTED_PARAMS
+  test "returns super on missing constant other than NEVER_UNPERMITTED_PARAMS" do
+    ActionController::Parameters.superclass.stub :const_missing, "super" do
+      assert_equal "super", ActionController::Parameters::NON_EXISTING_CONSTANT
     end
   end
 
   test "permits parameters that are whitelisted" do
-    params = ActionController::Parameters.new({
+    params = ActionController::Parameters.new(
       book: { pages: 65 },
-      format: "json"
-    })
+      format: "json")
     permitted = params.permit book: [:pages]
     assert permitted.permitted?
   end