[11.x] Enhance testability of batched jobs #42658

Job	Run time
PHP 8.2 - PHPUnit 10.5.12 - prefer-lowest	2m 4s
PHP 8.2 - PHPUnit 10.5 - prefer-lowest - Windows	2m 16s
PHP 8.2 - PHPUnit 10.5.12 - prefer-stable	2m 6s
PHP 8.2 - PHPUnit 10.5 - prefer-stable - Windows	2m 12s
PHP 8.2 - PHPUnit 11.3.2 - prefer-lowest	1m 58s
PHP 8.2 - PHPUnit 11.0.1 - prefer-lowest - Windows	2m 17s
PHP 8.2 - PHPUnit 11.3.2 - prefer-stable	1m 56s
PHP 8.2 - PHPUnit 11.0.1 - prefer-stable - Windows	2m 16s
PHP 8.3 - PHPUnit 10.5.12 - prefer-lowest	3m 12s
PHP 8.3 - PHPUnit 10.5 - prefer-lowest - Windows	2m 20s
PHP 8.3 - PHPUnit 10.5.12 - prefer-stable	1m 58s
PHP 8.3 - PHPUnit 10.5 - prefer-stable - Windows	2m 23s
PHP 8.3 - PHPUnit 11.3.2 - prefer-lowest	1m 56s
PHP 8.3 - PHPUnit 11.0.1 - prefer-lowest - Windows	2m 23s
PHP 8.3 - PHPUnit 11.3.2 - prefer-stable	2m 9s
PHP 8.3 - PHPUnit 11.0.1 - prefer-stable - Windows	2m 27s
PHP 8.4 - PHPUnit 10.5.12 - prefer-lowest	1m 54s
PHP 8.4 - PHPUnit 10.5 - prefer-stable - Windows	2m 15s
PHP 8.4 - PHPUnit 10.5.12 - prefer-stable	3m 15s
PHP 8.4 - PHPUnit 11.0.1 - prefer-stable - Windows	2m 11s
PHP 8.4 - PHPUnit 11.3.2 - prefer-lowest	1m 59s
PHP 8.4 - PHPUnit 11.3.2 - prefer-stable	1m 57s
	49m 24s

Provide feedback