unit testing

Replaced the old updater mechanism on 24.11 #3867

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Run time

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Job	Run time
code-style / black	22s
code-style / isort	17s
code-style / lint	51s
test 3.9 - ubuntu-latest	1m 33s
test 3.9 - macos-latest	1m 46s
test 3.9 - windows-latest	3m 36s
test 3.10 - ubuntu-latest	1m 14s
test 3.10 - macos-latest	1m 30s
test 3.10 - windows-latest	4m 1s
test 3.11 - ubuntu-latest	1m 6s
test 3.11 - macos-latest	1m 15s
test 3.11 - windows-latest	5m 32s
test 3.12 - ubuntu-latest	1m 9s
test 3.12 - macos-latest	2m 1s
test 3.12 - windows-latest	3m 23s
	29m 36s