🔥Rework pipeline testing by removing PipelineTestCaseMeta 🚀 (#21516)

* Add PipelineTesterMixin

* remove class PipelineTestCaseMeta

* move validate_test_components

* Add for ViT

* Add to SPECIAL_MODULE_TO_TEST_MAP

* style and quality

* Add feature-extraction

* update

* raise instead of skip

* add tiny_model_summary.json

* more explicit

* skip tasks not in mapping

* add availability check

* Add Copyright

* A way to diable irrelevant tests

* update with main

* remove disable_irrelevant_tests

* skip tests

* better skip message

* better skip message

* Add all pipeline task tests

* revert

* Import PipelineTesterMixin

* subclass test classes with PipelineTesterMixin

* Add pipieline_model_mapping

* Fix import after adding pipieline_model_mapping

* Fix style and quality after adding pipieline_model_mapping

* Fix one more import after adding pipieline_model_mapping

* Fix style and quality after adding pipieline_model_mapping

* Fix test issues

* Fix import requirements

* Fix mapping for MobileViTModelTest

* Update

* Better skip message

* pipieline_model_mapping could not be None

* Remove some PipelineTesterMixin

* Fix typo

* revert tests_fetcher.py

* update

* rename

* revert

* Remove PipelineTestCaseMeta from ZeroShotAudioClassificationPipelineTests

* style and quality

* test fetcher for all pipeline/model tests

---------

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

tests/pipelines/test_pipelines_image_segmentation.py

@@ -36,7 +36,7 @@ from transformers import (
 )
 from transformers.testing_utils import nested_simplify, require_tf, require_timm, require_torch, require_vision, slow
 
-from .test_pipelines_common import ANY, PipelineTestCaseMeta
+from .test_pipelines_common import ANY
 
 
 if is_vision_available():
@@ -70,7 +70,7 @@ def mask_to_test_readable_only_shape(mask: Image) -> Dict:
 @require_vision
 @require_timm
 @require_torch
-class ImageSegmentationPipelineTests(unittest.TestCase, metaclass=PipelineTestCaseMeta):
+class ImageSegmentationPipelineTests(unittest.TestCase):
     model_mapping = {
         k: v
         for k, v in (