tests

Remove rector #537

Job	Run time
Tests (8.1, ubuntu-latest, prefer-lowest)	15s
Tests (8.1, ubuntu-latest, prefer-stable)	22s
Tests (8.1, macos-latest, prefer-lowest)	1m 10s
Tests (8.1, macos-latest, prefer-stable)	1m 16s
Tests (8.1, windows-latest, prefer-lowest)	40s
Tests (8.1, windows-latest, prefer-stable)	41s
Tests (8.2, ubuntu-latest, prefer-lowest)	14s
Tests (8.2, ubuntu-latest, prefer-stable)	20s
Tests (8.2, macos-latest, prefer-lowest)	1m 18s
Tests (8.2, macos-latest, prefer-stable)	1m 13s
Tests (8.2, windows-latest, prefer-lowest)	38s
Tests (8.2, windows-latest, prefer-stable)	41s
Tests (8.3, ubuntu-latest, prefer-lowest)	19s
Tests (8.3, ubuntu-latest, prefer-stable)	20s
Tests (8.3, macos-latest, prefer-lowest)	1m 17s
Tests (8.3, macos-latest, prefer-stable)	1m 15s
Tests (8.3, windows-latest, prefer-lowest)	40s
Tests (8.3, windows-latest, prefer-stable)	43s
Tests (8.4, ubuntu-latest, prefer-lowest)	20s
Tests (8.4, ubuntu-latest, prefer-stable)	20s
Tests (8.4, macos-latest, prefer-lowest)	1m 13s
Tests (8.4, macos-latest, prefer-stable)	1m 11s
Tests (8.4, windows-latest, prefer-lowest)	39s
Tests (8.4, windows-latest, prefer-stable)	55s
	18m 0s

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