Test the handlers #797

Job	Run time
gitleaks	9s
linter_checks (ubuntu-latest, 3.10)	4m 23s
lock_check (ubuntu-latest, 3.10, 1.4.0)	33s
copyright_and_dependencies_check (ubuntu-latest, 3.10)	2m 9s
lock_check (macos-latest, 3.10, 1.4.0)	29s
lock_check (windows-latest, 3.10, 1.4.0)	1m 52s
test (ubuntu-latest, 3.8)	2m 11s
test (ubuntu-latest, 3.9)	2m 7s
test (ubuntu-latest, 3.10)	1m 59s
test (ubuntu-latest, 3.11)	1m 52s
test (macos-latest, 3.8)	2m 17s
test (macos-latest, 3.9)	1m 32s
test (macos-latest, 3.10)	1m 37s
test (macos-latest, 3.11)	1m 39s
test (windows-latest, 3.8)	5m 22s
test (windows-latest, 3.9)	5m 21s
test (windows-latest, 3.10)	3m 43s
test (windows-latest, 3.11)	4m 10s
	43m 25s

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