Function test_echo_no_streams

tests/test_utils.py:105–111

echo should not fail when stdout and stderr are None with pythonw on Windows.

(monkeypatch, runner)

def test_echo_no_streams(monkeypatch, runner):
    """echo should not fail when stdout and stderr are None with pythonw on Windows."""
    with runner.isolation():
        sys.stdout = None
        sys.stderr = None
        click.echo("test")
        click.echo("test", err=True)


@pytest.mark.parametrize(