[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/glpn/test_image_processing_glpn.py

@@ -33,7 +33,7 @@ if is_vision_available():
     from transformers import GLPNImageProcessor
 
 
-class GLPNImageProcessingTester(unittest.TestCase):
+class GLPNImageProcessingTester:
     def __init__(
         self,
         parent,
@@ -46,7 +46,6 @@ class GLPNImageProcessingTester(unittest.TestCase):
         size_divisor=32,
         do_rescale=True,
     ):
-        super().__init__()
         self.parent = parent
         self.batch_size = batch_size
         self.num_channels = num_channels