Ruby gem: minitest
gem install minitest -v 5.2.3 gem 'minitest', '~> 5.2.3' To lock this gem at this specific version, update your Gemfile:
gem 'minitest', '5.2.3' Then run:
bundle install Note: This is an older version. Consider upgrading to the latest version (5.26.0) for the newest features and security fixes.