:rotating_light: :rotating_light: Inherited CausalLM Tests (#37590)

* stash commit

* Experiment 1: Try just Gemma

* Experiment 1: Just try Gemma

* make fixup

* Trigger tests

* stash commit

* Try adding Gemma3 as well

* make fixup

* Correct attrib names

* Correct pipeline model mapping

* Add in all_model_classes for Gemma1 again

* Move the pipeline model mapping around again

* make fixup

* Revert Gemma3 changes since it's a VLM

* Let's try Falcon

* Correct attributes

* Correct attributes

* Let's try just overriding get_config() for now

* Do Nemotron too

* And Llama!

* Do llama/persimmon

* Correctly skip tests

* Fix Persimmon

* Include Phimoe

* Fix Gemma2

* Set model_tester_class correctly

* Add GLM

* More models!

* models models models

* make fixup

* Add Qwen3 + Qwen3MoE

* Correct import

* make fixup

* Add the QuestionAnswering classes

* Add the QuestionAnswering classes

* Move pipeline mapping to the right place

* Jetmoe too

* Stop RoPE testing models with no RoPE

* Fix up JetMOE a bit

* Fix up JetMOE a bit

* Can we just force pad_token_id all the time?

* make fixup

* fix starcoder2

* Move pipeline mapping

* Fix RoPE skipping

* Fix RecurrentGemma tests

* Fix Falcon tests

* Add MoE attributes

* Fix values for RoPE testing

* Make sure we set bos_token_id and eos_token_id in an appropriate range

* make fixup

* Fix GLM4

* Add mamba attributes

* Revert bits of JetMOE

* Re-add the JetMOE skips

* Update tests/causal_lm_tester.py

Co-authored-by: Arthur <[email protected]>

* Add licence

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Co-authored-by: Arthur <[email protected]>