Tests

Throw on invalid UnionType with AccessoryTypes #17739

Job	Run time
Tests (7.4, ubuntu-latest)	1m 23s
Tests (7.4, windows-latest)	3m 12s
Integration tests (ubuntu-latest)	40s
Tests (8.0, ubuntu-latest)	1m 21s
Integration tests (windows-latest)	1m 25s
Tests (8.0, windows-latest)	2m 35s
Tests (8.1, ubuntu-latest)	1m 21s
Determine levels tests matrix	33s
Tests (8.1, windows-latest)	2m 29s
Tests (8.2, ubuntu-latest)	1m 21s
Tests (8.2, windows-latest)	2m 30s
Tests (8.3, ubuntu-latest)	44s
Tests (8.3, windows-latest)	1m 57s
Tests (8.4, ubuntu-latest)	44s
Tests (8.4, windows-latest)	1m 59s
Levels tests	0s
	24m 14s

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