ipykernel tests #1866

Job	Run time
link_check	4m 26s
Make SDist	46s
build (ubuntu-latest, 3.8)	4m 12s
build (ubuntu-latest, 3.11)	3m 23s
build (windows-latest, 3.8)	9m 52s
build (windows-latest, 3.11)	11m 38s
build (macos-latest, 3.8)	10m 3s
build (macos-latest, 3.11)	7m 28s
build (windows-latest, 3.9)	10m 18s
build (ubuntu-latest, pypy-3.8)	4m 50s
build (macos-latest, 3.10)	9m 9s
test_docs	3m 31s
Test Lint	1m 31s
check_release	3m 4s
Test Minimum Versions	2m 15s
Test Prereleases	2m 0s
test_without_debugpy (ubuntu-latest, 3.9)	1m 45s
Install from SDist and Test	1m 57s
coverage	11s
tests_check	4s
	1h 32m 23s

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