GIVEN David is on the Project view page
AND he sees a list of Tasks
THEN he sees a ‘Pickup Task’ button next to each Task where user_id is nil
AND WHEN he clicks a button next to a Task
THEN he is the Task updates with his User as owner
THEN he is redirected back to the project view page
AND he sees his name next to the Task
GIVEN David is on the Project view page AND he sees a list of Tasks THEN he sees a ‘Pickup Task’ button next to each Task where user_id is nil AND WHEN he clicks a button next to a Task THEN he is the Task updates with his User as owner THEN he is redirected back to the project view page AND he sees his name next to the Task