tests

Fix linter issues #432

Job	Run time
Tests (8.1, ubuntu-latest, prefer-lowest)	15s
Tests (8.1, ubuntu-latest, prefer-stable)	23s
Tests (8.1, macos-latest, prefer-lowest)	1m 38s
Tests (8.1, macos-latest, prefer-stable)	1m 48s
Tests (8.1, windows-latest, prefer-lowest)	32s
Tests (8.1, windows-latest, prefer-stable)	41s
Tests (8.2, ubuntu-latest, prefer-lowest)	14s
Tests (8.2, ubuntu-latest, prefer-stable)	13s
Tests (8.2, macos-latest, prefer-lowest)	1m 38s
Tests (8.2, macos-latest, prefer-stable)	1m 57s
Tests (8.2, windows-latest, prefer-lowest)	38s
Tests (8.2, windows-latest, prefer-stable)	43s
Tests (8.3, ubuntu-latest, prefer-lowest)	26s
Tests (8.3, ubuntu-latest, prefer-stable)	21s
Tests (8.3, macos-latest, prefer-lowest)	1m 23s
Tests (8.3, macos-latest, prefer-stable)	1m 46s
Tests (8.3, windows-latest, prefer-lowest)	34s
Tests (8.3, windows-latest, prefer-stable)	36s
	15m 46s

Provide feedback