def test_quiet_with_explicit_output_options(self, httpbin, quiet_flags, output_options):
        env = MockEnvironment(stdin_isatty=True, stdout_isatty=True)
        r = http(*quiet_flags, output_options, httpbin.url + '/get', env=env)
        assert env.stdout is env.devnull
        assert env.stderr is env.devnull
        assert r == ''
        assert r.stderr == ''