Experiment: Require verification before create group

What does this MR do and why?

Issues:

• Confidential: https://gitlab.com/gitlab-org/growth/team-tasks/-/issues/533/
• Public: gitlab-org/growth/team-tasks#554 (closed)

This MR implements an experiment where we require users to verify their identity (by providing credit card payment details) before allowing them to create new groups.

Screenshots or screen recordings

How to set up and validate locally

Set up

1. Setup and run your CustomersDot application locally so that it connects to your local GitLab instance
   • Use this Zuora Hosted Page: https://apisandbox.zuora.com/apps/HostedPageLite.do?method=preview&id=8ad0965d7d37f5bb017d4c47897c4789
2. Setup and run your GitLab local instance so that it uses your local CustomersDot app you set up in (1)
3. Enable the experiment feature flag require_verification_for_group_creation in your Rails console

Validate

1. Go to the group creation page (http://localhost:3000/groups/new)
2. Validate that the verification page is shown
   This page

   
3. Go through the verification using the following card details

   card number: 4111 1111 1111 1111
   expiration date: any future date
   cvc: any 3 digit number

4. Validate that the Create new group page is shown
   This page

   

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.