          # Editing the instance without re-uploading the image should not affect the image or its width/height properties
          f = OptionalImageFileForm(
              data={'description': 'New Description'},
              instance=instance)
          self.assertEqual(f.is_valid(), True)
          instance = f.save()
          self.assertEqual(instance.description, 'New Description')
          self.assertEqual(instance.image.name, 'tests/test3.png')
          self.assertEqual(instance.width, 16)
          self.assertEqual(instance.height, 16)
 
</s> remove         self.assertEqual(f.is_valid(), True)
 </s> add         self.assertTrue(f.is_valid()) </s> remove         self.assertEqual(f.is_valid(), True)
 </s> add         self.assertTrue(f.is_valid()) </s> remove         self.assertEqual(f.is_valid(), True)
 </s> add         self.assertTrue(f.is_valid()) </s> remove         self.assertEqual(f.is_valid(), True)
 </s> add         self.assertTrue(f.is_valid()) </s> remove         self.assertEqual(f.is_valid(), True)
 </s> add         self.assertTrue(f.is_valid())
        self.assertTrue(f.is_valid())
          # Editing the instance without re-uploading the image should not affect the image or its width/height properties
          f = OptionalImageFileForm(
              data={'description': 'New Description'},
              instance=instance)
        self.assertTrue(f.is_valid())
          instance = f.save()
          self.assertEqual(instance.description, 'New Description')
          self.assertEqual(instance.image.name, 'tests/test3.png')
          self.assertEqual(instance.width, 16)
          self.assertEqual(instance.height, 16)
keep keep keep keep replace keep keep keep keep keep
 Fixed #6103 -- Splitted tests in model_forms tests 
tests/model_forms/tests.py