code: def test_1_call_instatus_api(self):
      self.assertIsInstance(
          self.handler.call_instatus_api(endpoint="/v2/pages"),
          pd.DataFrame,
      )
  
imports: import unittest
  from mindsdb.integrations.handlers.instatus_handler.instatus_handler import InstatusHandler
  from mindsdb.api.executor.data_types.response_type import RESPONSE_TYPE
  import pandas
  import os
label_desc: Use image node_id 4 for calling the InstatusHandlerTest obj's underlying member method code with example usage: obj.test_1_call_instatus_api() without return types