check ruby version for minitest

Author: stefannibrasil

Appraisals

@@ -76,6 +76,10 @@ appraise 'rails_7_2' do
   gem 'rspec-rails', '~> 6.0'
   gem 'shoulda-context', '~> 2.0.0'
 
+  if Ruby::VERSION < '4.0'
+    gem 'minitest', '5.25.5'
+  end
+
   # other dependencies
   gem 'bcrypt', '~> 3.1.7'