Fix expression tests for new Wiener functions #5124

Job	Run time
fwd tests (windows-11-arm)	10m 24s
prim tests (windows-latest)	1h 40m 32s
misc tests (windows-latest)	5m 26s
misc tests (windows-11-arm)	7m 43s
rev tests (windows-latest)	45m 3s
misc tests (ubuntu-24.04-arm)	3m 34s
prim tests (ubuntu-24.04-arm)	44m 36s
fwd tests (ubuntu-24.04-arm)	4m 20s
mix fun and prob tests 3 (windows-latest)	39m 53s
non-fun mix tests (windows-11-arm)	12m 15s
non-fun mix tests (ubuntu-24.04-arm)	5m 38s
mix fun and prob tests 1 (windows-latest)	47m 24s
mix fun and prob tests 5 (windows-11-arm)	2h 59m 24s
non-fun mix tests (windows-latest)	12m 18s
mix fun and prob tests 2 (windows-latest)	50m 8s
mix fun and prob tests 2 (windows-11-arm)	37m 48s
rev tests (windows-11-arm)	25m 42s
mix fun and prob tests 4 (windows-11-arm)	34m 26s
fwd tests (windows-latest)	10m 5s
rev tests (ubuntu-24.04-arm)	19m 56s
prim tests (windows-11-arm)	55m 48s
mix fun and prob tests 1 (ubuntu-24.04-arm)	32m 31s
mix fun and prob tests 4 (ubuntu-24.04-arm)	26m 7s
mix fun and prob tests 2 (ubuntu-24.04-arm)	38m 0s
mix fun and prob tests 4 (windows-latest)	39m 22s
mix fun and prob tests 1 (windows-11-arm)	44m 32s
mix fun and prob tests 3 (ubuntu-24.04-arm)	29m 6s
mix fun and prob tests 5 (windows-latest)	3h 41m 12s
mix fun and prob tests 5 (ubuntu-24.04-arm)	2h 25m 36s
mix fun and prob tests 3 (windows-11-arm)	40m 14s
	22h 49m 3s

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