[Rails] Is the deafult server (e.g., Webrick) used when running built-in tests in rails?

Rails' built-in functional and integration tests run with mocked web requests, my question is: Is there a web server serving the requests? If so, How can I change which server is attending the requests by default. Thanks for the clarification.

--
You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group.
To post to this group, send email to rubyonrails-talk@googlegroups.com.
To unsubscribe from this group, send email to rubyonrails-talk+unsubscribe@googlegroups.com.
To view this discussion on the web visit https://groups.google.com/d/msg/rubyonrails-talk/-/dw1VEy0Av24J.
For more options, visit https://groups.google.com/groups/opt_out.