* add ut for mistral model
* update
* fix model path
* upgrade transformers version for mistral model
* refactor correctness ut for mustral model
* refactor mistral correctness ut
* revert test_optimize_model back
* remove mistral from test_optimize_model
* add to revert transformers version back to 4.31.0
* Add test to check correctness of optimized model
* Refactor optimized model test
* Use models in llm-unit-test
* Use AutoTokenizer for bloom
* Print out each passed test
* Remove unused tokenizer from import