Test

🐛 Move `tablename` default from `@declared_attr` to metaclass #3561

Job	Run time
test (ubuntu-latest, 3.10, lowest-direct)	25s
test (ubuntu-latest, 3.14, highest)	32s
test (macos-latest, 3.14, highest)	40s
test (ubuntu-latest, 3.13, highest)	31s
test (windows-latest, 3.14, highest)	1m 2s
test (windows-latest, 3.12, lowest-direct)	1m 47s
test (macos-latest, 3.11, highest)	37s
test (macos-latest, 3.13, highest)	33s
coverage-combine	17s
alls-green	4s
	6m 28s

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