def METHOD_NAME(self):
    """
    Test two things:
    1. that the get_summernote_widget_class method raises a NotImplementedError when called directly,
    as it should be overridden in subclasses.
    2. that a subclass of ByteDeckSummernoteModelAdminMixin that implements the get_summernote_widget_class
    method returns the expected widget class.
    """
    mixin = ByteDeckSummernoteModelAdminMixin()
    # Test that the method raises a NotImplementedError when called directly
    with self.assertRaises(NotImplementedError):
        mixin.get_summernote_widget_class()
    # Define a test widget class
    class TestSummernoteWidget:
        pass
    # Define a subclass of the mixin that implements the get_summernote_widget_class method
    class SubByteDeckSummernoteModelAdminMixin(ByteDeckSummernoteModelAdminMixin):
        def get_summernote_widget_class(self):
            return TestSummernoteWidget
    # Test that the subclass returns the TestSummernoteWidget class
    subclass_mixin = SubByteDeckSummernoteModelAdminMixin()
    self.assertEqual(subclass_mixin.get_summernote_widget_class(), TestSummernoteWidget)