CI: avoid human error, automatically infer generative models (#33212)

* tmp commit

* move tests to the right class

* remove ALL all_generative_model_classes = ...

* skip tf roberta

* skip InstructBlipForConditionalGenerationDecoderOnlyTest

* videollava

* reduce diff

* reduce diff

* remove  on vlms

* fix a few more

* manual rebase bits

* more manual rebase

* remove all manual generative model class test entries

* fix up to ernie

* a few more removals

* handle remaining cases

* recurrent gemma

* it's better here

* make fixup

* tf idefics is broken

* tf bert + generate is broken

* don't touch tf :()

* don't touch tf :(

* make fixup

* better comments for test skips

* revert tf changes

* remove empty line removal

* one more

* missing one

tests/generation/test_utils.py

@@ -28,7 +28,7 @@ import pytest
 from packaging import version
 from parameterized import parameterized
 
-from transformers import AutoConfig, is_torch_available, pipeline
+from transformers import AutoConfig, AutoProcessor, AutoTokenizer, is_torch_available, pipeline
 from transformers.testing_utils import (
     is_flaky,
     require_accelerate,
@@ -61,8 +61,6 @@ if is_torch_available():
         AutoModelForSeq2SeqLM,
         AutoModelForSpeechSeq2Seq,
         AutoModelForVision2Seq,
-        AutoProcessor,
-        AutoTokenizer,
         BartForConditionalGeneration,
         BartTokenizer,
         GPT2LMHeadModel,
@@ -119,7 +117,6 @@ from transformers.utils import is_sklearn_available
 class GenerationTesterMixin:
     input_name = "input_ids"
     model_tester = None
-    all_generative_model_classes = ()
     max_new_tokens = 3
 
     def prepare_config_and_inputs_for_generate(self, batch_size=2):