Fix test_command_check_googlefonts on Windows
Fix test_command_check_googlefonts on Windows

We removed `-n` on Windows for now.

googlefonts/fontbakery,moyogo/fontbakery,googlefonts/fontbakery,googlefonts/fontbakery,moyogo/fontbakery,moyogo/fontbakery,graphicore/fontbakery,graphicore/fontbakery,graphicore/fontbakery