tests

fix: collapseWithKeys on empty collection #43945

Job	Run time
PHP 8.2 - PHPUnit 10.5 - prefer-lowest - Windows	2m 23s
PHP 8.2 - PHPUnit 10.5.12 - prefer-lowest	1m 55s
PHP 8.2 - PHPUnit 10.5.12 - prefer-stable	1m 48s
PHP 8.2 - PHPUnit 10.5 - prefer-stable - Windows	2m 25s
PHP 8.2 - PHPUnit 11.3.2 - prefer-lowest	1m 58s
PHP 8.2 - PHPUnit 11.0.1 - prefer-lowest - Windows	2m 19s
PHP 8.2 - PHPUnit 11.3.2 - prefer-stable	1m 57s
PHP 8.2 - PHPUnit 11.0.1 - prefer-stable - Windows	2m 19s
PHP 8.3 - PHPUnit 10.5.12 - prefer-lowest	1m 58s
PHP 8.3 - PHPUnit 10.5 - prefer-lowest - Windows	2m 34s
PHP 8.3 - PHPUnit 10.5.12 - prefer-stable	1m 45s
PHP 8.3 - PHPUnit 10.5 - prefer-stable - Windows	2m 23s
PHP 8.3 - PHPUnit 11.3.2 - prefer-lowest	1m 45s
PHP 8.3 - PHPUnit 11.3.2 - prefer-stable	1m 48s
PHP 8.3 - PHPUnit 11.0.1 - prefer-lowest - Windows	2m 31s
PHP 8.3 - PHPUnit 11.0.1 - prefer-stable - Windows	2m 28s
PHP 8.4 - PHPUnit 10.5.12 - prefer-lowest	1m 52s
PHP 8.4 - PHPUnit 10.5.12 - prefer-stable	1m 52s
PHP 8.4 - PHPUnit 10.5 - prefer-stable - Windows	2m 22s
PHP 8.4 - PHPUnit 11.3.2 - prefer-lowest	1m 59s
PHP 8.4 - PHPUnit 11.0.1 - prefer-stable - Windows	2m 16s
PHP 8.4 - PHPUnit 11.3.2 - prefer-stable	1m 57s
	46m 34s

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