Fix randomly failing test (#692), second attempt.
Fix randomly failing test (#692), second attempt.

SensCritique/lithium,muyehub/lithium,pixelcog/lithium,mehlah/lithium,UnionOfRAD/lithium,jails/lithium,whowgames/lithium,whowgames/lithium,pixelcog/lithium,wbeater/lithium,wbeater/lithium,datachand/lithium,muyehub/lithium,jails/lithium,SensCritique/lithium,graphis/lithium,datachand/lithium,graphis/lithium,UnionOfRAD/lithium,davidpersson/lithium,davidpersson/lithium,m4rcsch/lithium-core-library,mehlah/lithium,m4rcsch/lithium-core-library