@pytest.fixture
def widget() -> RegErrorNormalityWidget:
    options_provider = OptionsProvider()
    widget = RegErrorNormalityWidget('test_widget')
    widget.options_provider = options_provider
    return widget
@pytest.fixture
def widget() -> RegErrorNormalityWidget:
    options_provider = OptionsProvider()
    widget = RegErrorNormalityWidget('test_widget')
    widget.options_provider = options_provider
    return widget