tests: improve sleep with s:wait_for_next_message (#1010)
tests: improve sleep with s:wait_for_next_message (#1010)


neomake/neomake,neomake/neomake,bonds/neomake,nerdrew/neomake,bonds/neomake,euclio/neomake,nerdrew/neomake,codeinabox/neomake,euclio/neomake