In order to achieve a flexible MW-Selenium Gerrit/CI job, as much test logic as possible should be delegated to the project's test suite, including initial account creation. We can start by letting the test suite create the ubiquitous "Selenium user"—by refactoring the [[ https://doc.wikimedia.org/rubygems/mediawiki-selenium/MediawikiSelenium/ApiHelper.html#ensure_account-instance_method | ensure_account]] API helper method—and later extend this to randomize/scope the username, facilitating parallel execution of scenarios.