code: def test_search_all_alias_maps(self):
      ctx = StatementBinderContext(MagicMock())
      check_table_map = ctx._check_table_alias_map = MagicMock()
      check_derived_map = (
          ctx._check_derived_table_alias_map
      ) = MagicMock()
  
      # only _table_alias_map has entry
      check_table_map.return_value = "col_obj"
      ctx._table_alias_map["alias"] = "col_name"
      ctx._derived_table_alias_map = {}
      result = ctx._search_all_alias_maps("col_name")
      check_table_map.assert_called_once_with("alias", "col_name")
      check_derived_map.assert_not_called()
      self.assertEqual(result, ("alias", "col_obj"))
  
      # only _derived_table_alias_map
      check_derived_map.return_value = "derived_col_obj"
      ctx._table_alias_map = {}
      ctx._derived_table_alias_map["alias"] = "col_name"
      result = ctx._search_all_alias_maps("col_name")
      check_table_map.assert_called_once_with("alias", "col_name")
      check_table_map.assert_called_once_with("alias", "col_name")
      self.assertEqual(result, ("alias", "derived_col_obj"))
  
imports: import unittest
  from unittest.mock import MagicMock
  import pytest
  from evadb.binder.binder_utils import BinderError
  from evadb.binder.statement_binder_context import StatementBinderContext
  from evadb.expression.function_expression import FunctionExpression
  from evadb.expression.tuple_value_expression import TupleValueExpression
label_desc: Use image node_id 11 for calling the StatementBinderTests obj's underlying member method code with example usage: obj.test_search_all_alias_maps() without return types