Description

PHPUnit 10 (still unreleased) is deprecating non-static data providers (see sebastianbergmann/phpunit@9caafe2).

While this is still not a released change, it is worth preparing for upcoming change. It will not only affect Symfony tests, but also libraries and applications using base test classes (like \Symfony\Component\Mailer\Test\TransportFactoryTestCase, etc.).

Example

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