class_docstr: Unit tests for the GooglePalm LLM class
code: def prompt(self):
      class MockAbstractPrompt(AbstractPrompt):
          template: str = "Hello"
  
      return MockAbstractPrompt()
  
file_path: pandas-ai/tests/llms/test_google_palm.py
imports: import re
  import pytest
  from google import generativeai
  from pandasai.exceptions import APIKeyNotFoundError
  from pandasai.llm import GooglePalm
  from pandasai.prompts import AbstractPrompt
label_desc: Use image node_id 1 for calling the TestGooglePalm obj's underlying member method code with example usage: obj.prompt() and returns: MockAbstractPrompt