code: def test_index_hash(self):
      index1 = IndexCatalogEntry("index", "FaissSavePath", "HNSW")
      index2 = IndexCatalogEntry("index", "FaissSavePath", "HNSW")
  
      self.assertEqual(hash(index1), hash(index2))
  
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 10 for calling the CatalogModelsTest obj's underlying member method code with example usage: obj.test_index_hash() without return types