Tests

Add missing `await` to `sleep` calls (#18763) #6904

Job	Run time
changes	2s
check-lockfile	5s
lint-crlf	4s
lint-newsfile	0s
Typechecking	1m 28s
check-schema-delta	8s
lint-rustfmt	19s
lint-clippy	22s
check-sampleconfig	1m 21s
lint-pydantic	1m 15s
lint	37s
lint-rust	1m 13s
lint-clippy-nightly	18s
lint-readme	15s
linting-done	3s
calculate-test-jobs	6s
trial-olddeps	8m 18s
portdb (3.9, 13)	4m 37s
portdb (3.13, 17)	5m 59s
complement (monolith, Postgres)	15m 46s
complement (workers, Postgres)	25m 39s
complement (monolith, SQLite)	14m 55s
trial-pypy	0s
cargo-bench	0s
cargo-test	0s
sytest (bullseye, postgres)	11m 21s
sytest (bullseye, multi-postgres, workers)	14m 7s
trial (3.9, sqlite, all)	9m 3s
sytest (bullseye)	9m 13s
sytest (testing, postgres)	11m 37s
sytest (bullseye, multi-postgres, workers, asyncio)	15m 48s
sytest (bullseye, postgres, asyncio)	13m 9s
sytest (bullseye, asyncio)	10m 36s
trial (3.12, sqlite, all)	8m 9s
trial (3.9, postgres, 13, all)	20m 27s
trial (3.11, sqlite, all)	6m 52s
trial (3.13, postgres, 17, all)	18m 40s
trial (3.9, sqlite)	9m 0s
trial (3.13, sqlite, all)	8m 37s
trial (3.10, sqlite, all)	9m 17s
export-data	3m 29s
tests-done	4s
	4h 22m 19s

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