Test

fix: Default for MessageBoxButton #37

Job	Run time
test (nightly, ubuntu-22.04, qtbase5-dev)	1m 39s
test (nightly, ubuntu-22.04, qt6-base-dev)	1m 39s
test (nightly, ubuntu-24.04, qtbase5-dev)	2m 25s
test (nightly, ubuntu-24.04, qt6-base-dev)	2m 49s
test (nightly, windows-latest, x86_64-pc-windows-msvc)	3m 4s
test (nightly, windows-latest, x86_64-pc-windows-gnullvm, true)	3m 33s
test (nightly, ubuntu-24.04, gtk, true, libgtk-4-dev)	2m 7s
test (nightly, macos-13)	2m 26s
test (nightly, macos-14)	1m 21s
test (nightly, windows-latest, i686-pc-windows-msvc)	3m 24s
test (nightly, macos-15)	1m 25s
	25m 52s

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