Remove useless test #1777

Job	Run time
Entrypoint low-PHP compat	12s
PHP 7.4 Fixer with lowest deps	1m 6s
PHP 7.4 tests with lowest deps	3m 15s
PHP 8.0 Fixer	43s
PHP 8.0 tests	3m 4s
PHP 8.1 Fixer with Symfony ^6	1m 1s
PHP 8.1 tests with Symfony ^6	3m 23s
PHP 8.2 Fixer	1m 36s
PHP 8.2 tests	3m 35s
PHP 8.3 Fixer	55s
PHP 8.3 tests	3m 24s
PHP 8.3 Fixer with migration rules	1m 25s
PHP 8.3 tests with migration rules	4m 0s
PHP 8.3 Fixer with Symfony ^7	1m 12s
PHP 8.3 tests with Symfony ^7	3m 37s
PHP 8.3 code coverage	4m 51s
PHP 8.3 mutation tests	27s
PHP 8.3 Fixer on Windows	1m 44s
PHP 8.3 tests on Windows	2m 31s
PHP 8.3 Fixer on macOS	2m 28s
PHP 8.3 tests on macOS	1m 57s
PHP 8.4 Fixer	58s
PHP 8.4 tests	3m 40s
Deployment checks	35s
	51m 39s

Provide feedback