1 files changed, 4 insertions, 3 deletions
diff --git a/railties/test/application/configuration_test.rb b/railties/test/application/configuration_test.rb
index 7193dfdef5..c1a68c5786 100644
--- a/railties/test/application/configuration_test.rb
+++ b/railties/test/application/configuration_test.rb
@@ -374,9 +374,10 @@ module ApplicationTests
 
       require "#{app_path}/config/environment"
 
-      assert_equal ActiveModel::MassAssignmentSecurity::WhiteList,
-                   ActiveRecord::Base.active_authorizers[:default].class
-      assert_equal [], ActiveRecord::Base.active_authorizers[:default].to_a
+      klass = Class.new(ActiveRecord::Base)
+
+      assert_equal ActiveModel::MassAssignmentSecurity::WhiteList, klass.active_authorizers[:default].class
+      assert_equal [], klass.active_authorizers[:default].to_a
     end
 
     test "registers interceptors with ActionMailer" do