Fix tests that break with latest random package and ghc 9.12.1 (#2303) #2860

Job	Run time
cabal-doExactConfig	2m 8s
build-extra-hackages	2m 53s
cabal	2m 5s
check-materialization-concurrency	23s
check-path-support	2m 3s
closure-size	3s
docs	4m 27s
haskell-nix-roots-do-not-require-IFDs	2m 4s
hix	2m 57s
hix-cabal	2m 31s
hydra-ifdLevel-0-and-1	3m 12s
hydra-ifdLevel-2	5m 47s
hydra-ifdLevel-3	30m 11s
hydra-without-remote-builders-ghc8107	2m 10s
hydra-without-remote-builders-ghc9101	3m 7s
maintainer-scripts	8s
multi-target	47s
nix-build	1m 47s
nix-tools	12s
plan-extra-hackages	8s
runghc	7s
shellFor-hoogle	12s
shellFor-not-depends	12s
shellFor-multiple-package	15s
shellFor-single-package	16s
tests-benchmarks	7s
unit-tests	4s
update-docs	5s
	1h 10m 21s

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