code: def run_dirty_case(self, i, clean_pixel):
      px = i.load()
      for y in range(i.size[1]):
          for x in range(i.size[0]):
              if px[x, y][-1] != 0 and px[x, y][:-1] != clean_pixel:
                  message = (
                      f"pixel at ({x}, {y}) is different:\n"
                      f"{px[x, y]}\n{clean_pixel}"
                  )
                  assert px[x, y][:3] == clean_pixel, message
  
imports: from contextlib import contextmanager
  import pytest
  from PIL import Image, ImageDraw
  from .helper import assert_image_equal, assert_image_similar, hopper, mark_if_feature_version
label_desc: Use image node_id 6 for calling the TestCoreResampleAlphaCorrect obj's underlying member method code with example usage: obj.run_dirty_case(i, clean_pixel) without return types