MAINT: Patch old MNE ver test (#177) #1060

Job	Run time
pytest matrix / ubuntu / MNE main	6m 31s
pytest matrix / ubuntu / MNE maint/1.4	7m 56s
pytest matrix / windows / MNE main	12m 16s
pytest matrix / windows / MNE maint/1.4	8m 34s
pytest matrix / macos / MNE main	5m 8s
pytest matrix / macos / MNE maint/1.4	4m 51s
pytest old 3.8 / ubuntu / MNE main	9m 34s
pytest no opengl / ubuntu / MNE main	5m 17s
pytest no opengl / ubuntu / MNE maint/1.4	6m 2s
pytest old / ubuntu / MNE maint/1.3	9m 27s
style	11s
PyQt5 / ubuntu	4m 9s
PyQt6 / ubuntu	8m 38s
PySide2 / ubuntu	3m 44s
PySide6 / ubuntu	6m 53s
PySide6 / macos	13m 30s
PySide6 / windows	10m 45s
	2h 3m 26s

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