Tests

Remove `MockClock()` (#18992) #7777

Job	Run time
check-lockfile	9s
changes	3s
lint-crlf	7s
lint-newsfile	0s
lint	1m 5s
lint-clippy	48s
check-sampleconfig	2m 24s
Typechecking	3m 9s
lint-rust	2m 18s
lint-readme	17s
lint-rustfmt	25s
lint-clippy-nightly	45s
check-schema-delta	7s
lint-pydantic	2m 32s
linting-done	4s
calculate-test-jobs	6s
trial-olddeps	9m 54s
portdb (3.9, 13)	4m 58s
complement (workers, Postgres)	25m 47s
complement (monolith, Postgres)	17m 27s
portdb (3.13, 17)	7m 8s
complement (monolith, SQLite)	16m 6s
cargo-bench	0s
trial-pypy	-1s
cargo-test	-1s
trial (3.12, sqlite, all)	9m 3s
sytest (bullseye, multi-postgres, workers, asyncio)	15m 32s
sytest (bullseye, postgres, asyncio)	13m 15s
sytest (bullseye, asyncio)	11m 5s
trial (3.9, sqlite, all)	10m 33s
trial (3.9, postgres, 13, all)	20m 15s
sytest (bullseye, postgres)	11m 55s
trial (3.11, sqlite, all)	9m 51s
trial (3.10, sqlite, all)	11m 5s
sytest (bullseye)	9m 45s
sytest (bullseye, multi-postgres, workers)	14m 46s
trial (3.9, sqlite)	10m 3s
sytest (testing, postgres)	11m 50s
trial (3.13, sqlite, all)	9m 3s
trial (3.13, postgres, 17, all)	19m 25s
export-data	5m 16s
tests-done	4s
	4h 48m 23s

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