Tests

Allow mixed type dynamic constants #22271

Job	Run time
Integration tests (windows-latest)	7s
Integration tests (ubuntu-latest)	5s
Tests (8.2, windows-latest)	8s
Tests (8.3, windows-latest)	7s
Tests (8.3, ubuntu-latest)	6s
Tests (8.2, ubuntu-latest)	6s
Tests (8.5, windows-latest)	8s
Tests (8.4, ubuntu-latest)	7s
Tests (8.4, windows-latest)	7s
Tests (8.5, ubuntu-latest)	5s
Tests with old PHPUnit (8.0, windows-latest)	7s
Determine levels tests matrix	6s
Tests with old PHPUnit (8.1, ubuntu-latest)	7s
Tests with old PHPUnit (8.1, windows-latest)	7s
Tests with old PHPUnit (8.0, ubuntu-latest)	6s
Tests with old PHPUnit (7.4, ubuntu-latest)	6s
Tests with old PHPUnit (7.4, windows-latest)	8s
Levels tests	1s
	1m 54s

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