Sims

Dwedul/1699 exchange keeper tests #5137

Job	Run time
setup	12s
build-linux	1m 30s
runsim (import-export, goleveldb, ubuntu-latest)	21m 26s
go-test-multi-db (simple, goleveldb, ubuntu-latest)	4m 58s
go-test-single-db (nondeterminism, ubuntu-latest)	9m 54s
runsim (multi-seed-short, goleveldb, ubuntu-latest)	31m 19s
go-test-single-db (benchmark-invariants, ubuntu-latest)	6m 31s
go-test-multi-db (simple, cleveldb, ubuntu-latest)	4m 25s
runsim (after-import, goleveldb, ubuntu-latest)	25m 17s
go-test-multi-db (benchmark, goleveldb, ubuntu-latest)	6m 6s
go-test-multi-db (benchmark, cleveldb, ubuntu-latest)	8m 37s
	2h 0m 15s

Provide feedback