test_dummy_config

# File railties/lib/rails/generators/rails/plugin/plugin_generator.rb, line 117
    def test_dummy_config
      template "rails/boot.rb", "#{dummy_path}/config/boot.rb", force: true

      insert_into_file "#{dummy_path}/config/application.rb", <<~RUBY, after: /^Bundler\.require.+\n/
        require #{namespaced_name.inspect}
      RUBY

      if mountable?
        template "rails/routes.rb", "#{dummy_path}/config/routes.rb", force: true
      end
    end