code: def test_function(self):
      function = FunctionCatalogEntry(
          "function", "fasterRCNN", "ObjectDetection", "checksum"
      )
      self.assertEqual(function.row_id, None)
      self.assertEqual(function.impl_file_path, "fasterRCNN")
      self.assertEqual(function.name, "function")
      self.assertEqual(function.type, "ObjectDetection")
      self.assertEqual(function.checksum, "checksum")
  
file_path: evadb/test/unit_tests/catalog/models/test_models.py
imports: import unittest
  from evadb.catalog.catalog_type import ColumnType, NdArrayType, TableType
  from evadb.catalog.models.column_catalog import ColumnCatalogEntry
  from evadb.catalog.models.function_catalog import FunctionCatalogEntry
  from evadb.catalog.models.function_io_catalog import FunctionIOCatalogEntry
  from evadb.catalog.models.index_catalog import IndexCatalogEntry
  from evadb.catalog.models.table_catalog import TableCatalogEntry
label_desc: Use image node_id 4 for calling the CatalogModelsTest obj's underlying member method code with example usage: obj.test_function() without return types