Small fixes to resolve tests failures #1377

Job	Run time
test / build (macOS-latest, 3.10, orange-released, 5.15., false) / orange-released macOS-latest py3.10 qt5.15.	3m 29s
test / build (macOS-latest, 3.9, orange-oldest, 5.15., false) / orange-oldest macOS-latest py3.9 qt5.15.	3m 27s
test / build (macOS-latest, 3.11, orange-latest, 5.15., false) / orange-latest macOS-latest py3.11 qt5.15.	4m 23s
test / build (macOS-latest, 3.10, orange-released, 6.6., false) / orange-released macOS-latest py3.10 qt6.6.	1m 54s
test / build (ubuntu-latest, 3.10, orange-released, 6.6., false) / orange-released ubuntu-latest py3.10 qt6.6.	2m 52s
test / build (ubuntu-latest, 3.10, orange-released, 5.15., false) / orange-released ubuntu-latest py3.10 qt5.15.	5m 24s
test / build (ubuntu-latest, 3.11, orange-latest, 5.15., false) / orange-latest ubuntu-latest py3.11 qt5.15.	5m 55s
test / build (ubuntu-latest, 3.9, orange-oldest, 5.15., false) / orange-oldest ubuntu-latest py3.9 qt5.15.	4m 17s
test / build (windows-latest, 3.10, orange-released, 6.6., false) / orange-released windows-latest py3.10 qt6.6.	1m 5s
test / build (windows-latest, 3.10, orange-released, 5.15., false) / orange-released windows-latest py3.10 qt5.15.	5m 40s
test / build (windows-latest, 3.9, orange-oldest, 5.15., false) / orange-oldest windows-latest py3.9 qt5.15.	6m 0s
test / build (windows-latest, 3.11, orange-latest, 5.15., false) / orange-latest windows-latest py3.11 qt5.15.	8m 51s
	53m 17s

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