Remove possible source of random failure. See #1324.
Remove possible source of random failure. See #1324.

Timers may not have a high enough accuracy to make exact comparisons with TickDuration, so we allow 100ms error.

machindertechnologies/vibe.d,schuetzm/vibe.d,Geod24/vibe.d,redstar/vibe.d,chalucha/vibe.d,Mihail-K/vibe.d,AndreyMZ/vibe.d,etcimon/vibe.d,DBankov/vibe.d,rejectedsoftware/vibe.d,gedaiu/vibe.d,etcimon/vibe.d