I was given a test assignment. The stack is specific (WordPress Flexible Content, their own Gatsby theme and Theme UI for styling), it would take you at least couple of days to get acquainted to it. After completing it, I created a merge request - and haven't heard from them since! I acknowledge that the error of not asking for payment for this "test task" is mine, but responsibility for foul play is theirs! Not sure if they are time wasters or free work scammers, but definitely beware!