Topic: PHPUnit 5.5
Version 4.8 is still in remi repository as compatible with PHP 5.4
Version 5.4 is in remi-test repository as it requires PHP >= 5.6
You can use this version enabling remi-test temporarily or by using the "includepkgs=php-phpunit-* php-sebastian-*" directive
Of course you also need to enable remi-php56 (or remi-php70)
Laptop: Fedora 38 + rpmfusion + remi (SCL only)
Hosting Server: CentOS 8 Stream with EPEL, rpmfusion, remi