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* Although the migration of users and content to the production server is
theoretically possible, at this point it is not guaranteed (T184461).
* The authentication system for this test instance is not what will be used
if this project makes it to production.
* If you have a Wikimedia account, use the same email when registering
here. This is how your username and content will remain yours if/when
Wikimedia single sign-on is implemented (T124691).
* Do not reuse your “real” passwords when creating an account in this test