              '<label for="id_slug">Slug:</label>',
          )
  
      def test_help_text_overrides(self):
          form = FieldOverridesTroughFormMetaForm()
          self.assertEqual(
              form['slug'].help_text,
              'Watch out! Letters, numbers, underscores and hyphens only.',
          )
  
 
</s> remove         form = FieldOverridesTroughFormMetaForm(data={
 </s> add         form = FieldOverridesByFormMetaForm(data={ </s> remove         form = FieldOverridesTroughFormMetaForm()
 </s> add         form = FieldOverridesByFormMetaForm() </s> remove         form = FieldOverridesTroughFormMetaForm()
 </s> add         form = FieldOverridesByFormMetaForm() </s> remove class TestFieldOverridesTroughFormMeta(TestCase):
 </s> add class TestFieldOverridesByFormMeta(TestCase): </s> remove class FieldOverridesTroughFormMetaForm(forms.ModelForm):
 </s> add class FieldOverridesByFormMetaForm(forms.ModelForm):
        form = FieldOverridesByFormMetaForm()
              '<label for="id_slug">Slug:</label>',
          )
  
      def test_help_text_overrides(self):
        form = FieldOverridesByFormMetaForm()
          self.assertEqual(
              form['slug'].help_text,
              'Watch out! Letters, numbers, underscores and hyphens only.',
          )
  
keep keep keep keep replace keep keep keep keep keep
 Fixed spelling in model_forms test class names 
tests/model_forms/tests.py