Revert "get rid of sleep in setUp"
Revert "get rid of sleep in setUp"

This reverts commit 4621f9978b06458ba62b7fed323204256d6e9e7a.

RaRe-Technologies/smart_open,mpenkov/smart_open,mpenkov/smart_open,RaRe-Technologies/smart_open,piskvorky/smart_open