Here's one of those things that are easy to miss on code review and will make your tests super slow. Good news: it's easy to fix!

https://thoughtbot.com/blog/combine-capybara-selectors-to-avoid-the-sequential-timeout-trap

Combine Capybara selectors to avoid the sequential timeout trap

How I shaved over a minute off a test suite with a one-line change.

thoughtbot
Also, stay tuned because I'll release a tool to prevent your tests from silently becoming slow again!