code: def mock_models():
      model_1 = Mock(display_name="Model1", name="ModelID1")
      model_2 = Mock(display_name="Model2", name="ModelID2")
  
      # Set concrete return values for attributes
      model_1.display_name = "Model1"
      model_1.name = "ModelID1"
  
      model_2.display_name = "Model2"
      model_2.name = "ModelID2"
  
      return [model_1, model_2]
  
imports: import time
  import json
  import pandas
  import pytest
  from unittest.mock import Mock, patch
  from mindsdb_sql import parse_sql
  from tests.unit.executor_test_base import BaseExecutorTest
  from mindsdb.integrations.handlers.vertex_handler.vertex_client import VertexClient
label_desc: Use image node_id 4 for calling a global function with example usage: mock_models() and returns: list