Rector Rules for PHPUnit
See available PHPUnit rules
Install
composer require rector/rector-phpunitUse Sets
To add a set to your config, use Rector\PHPUnit\Set\PHPUnitSetList class and pick one of constants:
use Rector\PHPUnit\Set\PHPUnitSetList;
use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
return static function (ContainerConfigurator $containerConfigurator): void {
$containerConfigurator->import(PHPUnitSetList::PHPUNIT_90);
};