require "abstract_unit" require "capybara/dsl" require "action_dispatch/system_testing/server" class ServerTest < ActiveSupport::TestCase setup do ActionDispatch::SystemTesting::Server.new.run end test "initializing the server port" do assert_includes Capybara.servers, :rails_puma end test "port is always included" do assert Capybara.always_include_port, "expected Capybara.always_include_port to be true" end end