code: def test_llama_completion_success(self):
      llm = Llama(self.llama_model_path, n_threads=self.n_threads)
      output = llm(
          "What is the capital of France?", max_tokens=32, stream=False
      )
  
file_path: BigDL/python/llm/test/inference/test_call_models.py
imports: from bigdl.llm.models import Llama, Bloom, Gptneox, Starcoder
  from bigdl.llm.transformers import LlamaForCausalLM, BloomForCausalLM, GptneoxForCausalLM, StarcoderForCausalLM
  import pytest
  from unittest import TestCase
  import os
label_desc: Use image node_id 2 for calling the Test_Models_Basics obj's underlying member method code with example usage: obj.test_llama_completion_success() without return types