Remove test that relies on random sleeps.
Remove test that relies on random sleeps.

ipmobiletech/rake,pjump/rake,esasse/rake,taiganakagawa/rake,88rabbit/rake,zzak/rake,hsbt/rake,Vanzct/rake,utilum/rake,envato/rake,bentley/rake,askl56/rake,jaustinhughey/rake,tmornini/rake,envato/rake,ruby/rake,ruby/rake,codedogfish/rake,hsbt/rake