Test

feat: add soft delete mixin and session #3721

Job	Run time
test (ubuntu-latest, 3.10, lowest-direct)	21s
test (ubuntu-latest, 3.14, highest)	21s
test (macos-latest, 3.14, highest)	33s
test (windows-latest, 3.12, lowest-direct)	1m 40s
test (windows-latest, 3.14, highest)	43s
test (ubuntu-latest, 3.13, highest)	23s
test (macos-latest, 3.13, highest)	21s
test (macos-latest, 3.11, highest)	22s
alls-green	4s
coverage-combine	0s
	4m 48s

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