Tests

Improve message box config #14

Job	Run time
Tests (8.4, ubuntu-latest, prefer-stable)	17s
Tests (8.4, macos-latest, prefer-lowest)	1m 22s
Tests (8.4, macos-latest, prefer-stable)	1m 19s
Tests (8.4, windows-latest, prefer-lowest)	46s
Tests (8.5, ubuntu-latest, prefer-lowest)	17s
Tests (8.4, windows-latest, prefer-stable)	43s
Tests (8.4, ubuntu-latest, prefer-lowest)	19s
Tests (8.5, macos-latest, prefer-lowest)	1m 27s
Tests (8.5, ubuntu-latest, prefer-stable)	14s
Tests (8.5, macos-latest, prefer-stable)	1m 21s
Tests (8.5, windows-latest, prefer-stable)	43s
Tests (8.5, windows-latest, prefer-lowest)	49s
	9m 37s

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