code: def google_vertexai(self):
      # Create an instance of YourClass for testing
      project_id = "test-project"
      location = "northamerica-northeast1"
      custom_model = "code-bison@001"
      return GoogleVertexAI(project_id, location, custom_model)
  
file_path: pandas-ai/tests/llms/test_google_vertexai.py
imports: import pytest
  from pandasai.llm import GoogleVertexAI
  from pandasai.exceptions import UnsupportedModelError
label_desc: Use image node_id 3 for calling the TestGoogleVertexAI obj's underlying member method code with example usage: obj.google_vertexai() and returns: GoogleVertexAI