tests

Remove rector #538

Job	Run time
Tests (8.1, ubuntu-latest, prefer-lowest)	19s
Tests (8.1, ubuntu-latest, prefer-stable)	22s
Tests (8.1, macos-latest, prefer-lowest)	1m 16s
Tests (8.1, macos-latest, prefer-stable)	1m 17s
Tests (8.1, windows-latest, prefer-lowest)	36s
Tests (8.1, windows-latest, prefer-stable)	35s
Tests (8.2, ubuntu-latest, prefer-lowest)	15s
Tests (8.2, ubuntu-latest, prefer-stable)	22s
Tests (8.2, macos-latest, prefer-lowest)	1m 9s
Tests (8.2, macos-latest, prefer-stable)	1m 12s
Tests (8.2, windows-latest, prefer-lowest)	39s
Tests (8.2, windows-latest, prefer-stable)	38s
Tests (8.3, ubuntu-latest, prefer-lowest)	29s
Tests (8.3, ubuntu-latest, prefer-stable)	13s
Tests (8.3, macos-latest, prefer-lowest)	1m 15s
Tests (8.3, macos-latest, prefer-stable)	1m 9s
Tests (8.3, windows-latest, prefer-lowest)	37s
Tests (8.3, windows-latest, prefer-stable)	34s
Tests (8.4, ubuntu-latest, prefer-lowest)	13s
Tests (8.4, ubuntu-latest, prefer-stable)	21s
Tests (8.4, macos-latest, prefer-lowest)	1m 11s
Tests (8.4, macos-latest, prefer-stable)	1m 5s
Tests (8.4, windows-latest, prefer-lowest)	38s
Tests (8.4, windows-latest, prefer-stable)	42s
	17m 7s

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