If you test using PHP and Codeception you may have run into the issue of how to start Selenium before your tests. Some people use a wait or sleep command but here is a tip to automatically start Selenium during tests and wait for it to start:
Configure acceptance.suite.yml
With the RunProcess extension with can add a special timeout wait command to wait for Selenium to start before starting our tests:
That's it!
More information
For more tips on testing with Codeception see the PHP guide.