update_application_system_test_case

# File railties/lib/rails/generators/rails/devcontainer/devcontainer_generator.rb, line 39
      def update_application_system_test_case
        return unless options[:system_test]
        return unless File.exist?("test/application_system_test_case.rb")

        gsub_file("test/application_system_test_case.rb", /^\s*driven_by\b.*/, system_test_configuration)
      end