1 files changed, 5 insertions, 3 deletions
diff --git a/railties/test/application/routing_test.rb b/railties/test/application/routing_test.rb
index 6742da20cc..bec038fb51 100644
--- a/railties/test/application/routing_test.rb
+++ b/railties/test/application/routing_test.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "isolation/abstract_unit"
 require "rack/test"
 
@@ -293,7 +295,7 @@ module ApplicationTests
             extend ActiveModel::Naming
             include ActiveModel::Conversion
 
-            def model_name
+            def self.model_name
               @_model_name ||= ActiveModel::Name.new(self.class, nil, "User")
             end
 
@@ -430,7 +432,7 @@ module ApplicationTests
           extend ActiveModel::Naming
           include ActiveModel::Conversion
 
-          def model_name
+          def self.model_name
             @_model_name ||= ActiveModel::Name.new(self.class, nil, "User")
           end
 
@@ -542,7 +544,7 @@ module ApplicationTests
           extend ActiveModel::Naming
           include ActiveModel::Conversion
 
-          def model_name
+          def self.model_name
             @_model_name ||= ActiveModel::Name.new(self.class, nil, "User")
           end