Add a delay to window closing procedure in OSX tests
Add a delay to window closing procedure in OSX tests

r0x0r/pywebview,shivaprsdv/pywebview,r0x0r/pywebview,shivaprsdv/pywebview,r0x0r/pywebview,shivaprsdv/pywebview,shivaprsdv/pywebview,r0x0r/pywebview,r0x0r/pywebview