diff --git a/test/app_helper.rb b/test/app_helper.rb
index dd128dca..c5e24f44 100644
--- a/test/app_helper.rb
+++ b/test/app_helper.rb
@@ -2,6 +2,15 @@
 require "rails/test_help"
 require "fileutils"
 
+if Gem::Version.new(Rails.version) < Gem::Version.new("7.1")
+  module Rails::Generators::AppName
+    private
+      def valid_const?
+        true
+      end
+  end
+end
+
 module RailsAppHelpers
   def self.included(base)
     base.include ActiveSupport::Testing::Isolation