Back to pull request #162

Exclude tests from `PSR1.Files.SideEffects` #223

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Job	Run time
PHP 8.2 - ubuntu-22.04	37s
PHP 8.3 - ubuntu-22.04	39s
PHP 8.2 - windows-2019	1m 13s
PHP 8.3 - windows-2019	1m 38s
	4m 7s