Test

feat: add soft delete mixin and session #3727

Job	Run time
test (windows-latest, 3.12, lowest-direct)	1m 34s
test (windows-latest, 3.14, highest)	1m 7s
test (macos-latest, 3.14, highest)	37s
test (ubuntu-latest, 3.14, highest)	29s
test (macos-latest, 3.11, highest)	26s
test (macos-latest, 3.13, highest)	25s
test (ubuntu-latest, 3.13, highest)	32s
test (ubuntu-latest, 3.10, lowest-direct)	27s
coverage-combine	16s
alls-green	4s
	5m 57s

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