tests

Apply phpcs #434

Job	Run time
Tests (8.1, ubuntu-latest, prefer-lowest)	19s
Tests (8.1, ubuntu-latest, prefer-stable)	16s
Tests (8.1, macos-latest, prefer-lowest)	1m 59s
Tests (8.1, macos-latest, prefer-stable)	1m 43s
Tests (8.1, windows-latest, prefer-lowest)	42s
Tests (8.1, windows-latest, prefer-stable)	34s
Tests (8.2, ubuntu-latest, prefer-lowest)	21s
Tests (8.2, ubuntu-latest, prefer-stable)	14s
Tests (8.2, macos-latest, prefer-lowest)	1m 25s
Tests (8.2, macos-latest, prefer-stable)	1m 32s
Tests (8.2, windows-latest, prefer-lowest)	42s
Tests (8.2, windows-latest, prefer-stable)	47s
Tests (8.3, ubuntu-latest, prefer-lowest)	14s
Tests (8.3, ubuntu-latest, prefer-stable)	14s
Tests (8.3, macos-latest, prefer-lowest)	2m 7s
Tests (8.3, macos-latest, prefer-stable)	1m 18s
Tests (8.3, windows-latest, prefer-lowest)	36s
Tests (8.3, windows-latest, prefer-stable)	36s
	15m 39s

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