[tests] further fix Tester object has no attribute '_testMethodName' (#35781)

* bug fix

* update with more cases

* more entries

* Fix

---------

Co-authored-by: ydshieh <ydshieh@users.noreply.github.com>

tests/models/video_llava/test_image_processing_video_llava.py

@@ -34,7 +34,7 @@ if is_vision_available():
     from transformers import VideoLlavaImageProcessor
 
 
-class VideoLlavaImageProcessingTester(unittest.TestCase):
+class VideoLlavaImageProcessingTester:
     def __init__(
         self,
         parent,
@@ -52,7 +52,6 @@ class VideoLlavaImageProcessingTester(unittest.TestCase):
         image_std=OPENAI_CLIP_STD,
         do_convert_rgb=True,
     ):
-        super().__init__()
         size = size if size is not None else {"shortest_edge": 20}
         crop_size = crop_size if crop_size is not None else {"height": 18, "width": 18}
         self.parent = parent