code: def test_show_functions(self):
      result = execute_query_fetch_all(self.evadb, "SHOW FUNCTIONS;")
      self.assertEqual(len(result.columns), 6)
  
      expected = {
          "name": ["FastRCNNObjectDetector", "ArrayCount"],
          "type": ["Classification", "NdarrayFunction"],
      }
      expected_df = pd.DataFrame(expected)
      self.assertTrue(all(expected_df.name == result.frames.name))
      self.assertTrue(all(expected_df.type == result.frames.type))
  
file_path: evadb/test/integration_tests/short/test_show_info_executor.py
imports: import os
  import unittest
  from test.markers import windows_skip_marker
  from test.util import get_evadb_for_testing
  import pandas
  import pytest
  from evadb.configuration.constants import EvaDB_ROOT_DIR
  from evadb.evadb_config import BASE_EVADB_CONFIG
  from evadb.functions.function_bootstrap_queries import ArrayCount_function_query, Fastrcnn_function_query
  from evadb.models.storage.batch import Batch
  from evadb.server.command_handler import execute_query_fetch_all
label_desc: Use image node_id 3 for calling the ShowExecutorTest obj's underlying member method code with example usage: obj.test_show_functions() without return types