wallaby

Offers a clean, idiomatic API that integrates seamlessly with ExUnit, using pipes and declarative queries as shown in the README's Todo test example, making it feel like part of the Elixir language.

Runs tests concurrently by default and manages multiple browser sessions automatically, speeding up test suites without manual setup, as highlighted in the concurrent testing and multi-user scenario features.

Tightly integrates with Phoenix, Ecto sandbox, and LiveView, with detailed setup guides for enabling concurrent database access and real-time testing, including hooks for LiveView as documented.

Supports asynchronous JavaScript, dialogs (alert, confirm, prompt), logs, and errors, with functions like accept_alert and blocking actions that reduce race conditions, as described in the JavaScript section.