add a test for the issue of https://github.com/defunkt/fakefs/issues/176
add a test for the issue of https://github.com/defunkt/fakefs/issues/176

anthonyryan1/fakefs,bquorning/fakefs,eventualbuddha/fakefs,dekz/fakefs,deployable/fakefs,pivotal-cf-experimental/fakefs,vhl/fakefs,bf4/fakefs,onehub/fakefs,marxarelli/fakefs,fakefs/fakefs,defunkt/fakefs,1234-/fakefs