Tests

Readonly classes cannot be combined with `#[AllowDynamicProperties]` #19083

Job	Run time
Tests (7.4, ubuntu-latest)	25s
Integration tests (ubuntu-latest)	32s
Tests (7.4, windows-latest)	16s
Integration tests (windows-latest)	19s
Tests (8.0, ubuntu-latest)	24s
Tests (8.0, windows-latest)	15s
Tests (8.1, ubuntu-latest)	17s
Tests (8.1, windows-latest)	16s
Tests (8.2, ubuntu-latest)	30s
Tests (8.2, windows-latest)	15s
Tests (8.3, ubuntu-latest)	29s
Tests (8.3, windows-latest)	15s
Determine levels tests matrix	21s
Tests (8.4, ubuntu-latest)	16s
Tests (8.4, windows-latest)	13s
Levels tests	1s
	5m 4s

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