'Test that system-wide path isn\'t used on linux if path not exist.'

@pytest.mark.linux
def test_system_datadir_not_exist_linux(self, monkeypatch, tmpdir, fake_args):

    fake_args.basedir = str(tmpdir)
    standarddir.init(fake_args)
    monkeypatch.setattr(os.path, 'exists', (lambda path: False))
    assert (standarddir.system_data() == standarddir.data())
