Add selftest related to issue #127 (Steps with trailing colon).
Add selftest related to issue #127 (Steps with trailing colon).

kymbert/behave,benthomasson/behave,jenisys/behave,joshal/behave,Gimpneek/behave,hugeinc/behave-parallel,benthomasson/behave,Abdoctor/behave,metaperl/behave,vrutkovs/behave,connorsml/behave,vrutkovs/behave,mzcity123/behave,KevinOrtman/behave,jenisys/behave,kymbert/behave,spacediver/behave,KevinOrtman/behave,tokunbo/behave-parallel,mzcity123/behave,charleswhchan/behave,allanlewis/behave,tokunbo/behave-parallel,KevinMarkVI/behave-parallel,spacediver/behave,allanlewis/behave,charleswhchan/behave,Abdoctor/behave,connorsml/behave,metaperl/behave,joshal/behave,Gimpneek/behave,Gimpneek/behave