Address CI failures described in #1514 #8926

Job	Run time
Check code is formatted (Black)	22s
Tests (py3.9/linux)	55m 58s
Test notebooks (py3.9/linux)	5m 9s
Tests (py3.9/win64)	1h 13m 57s
pytest (user mode) (py3.9/linux)	37m 31s
Test notebooks (py3.9/win64)	11m 57s
Code linting (pylint)	4m 19s
Tests (py3.10/linux)	48m 56s
pytest (user mode) (py3.9/win64)	39m 29s
Test notebooks (py3.11/linux)	5m 17s
Tests (py3.10/win64)	1h 27m 2s
pytest (user mode) (py3.11/linux)	28m 35s
Test notebooks (py3.11/win64)	10m 41s
Tests (py3.11/linux)	48m 33s
pytest (user mode) (py3.11/win64)	43m 32s
macOS setup (EXPERIMENTAL) (3.9)	1h 5m 32s
Tests (py3.11/win64)	1h 29m 53s
Upload coverage report (Codecov)	14s
	10h 56m 57s

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