code: def test_insert_plan(self):
      video_id = 0
      column_ids = [0, 1]
      expression = type(
          "AbstractExpression", (), {"evaluate": lambda: 1}
      )
      values = [expression, expression]
      dummy_plan_node = InsertPlan(video_id, column_ids, values)
      self.assertEqual(dummy_plan_node.opr_type, PlanOprType.INSERT)
  
imports: import unittest
  from inspect import isabstract, signature
  from test.util import get_all_subclasses, get_mock_object
  import pytest
  from evadb.catalog.catalog_type import ColumnType
  from evadb.catalog.models.column_catalog import ColumnCatalogEntry
  from evadb.parser.table_ref import TableInfo, TableRef
  from evadb.parser.types import FileFormatType, ObjectType
  from evadb.plan_nodes.abstract_plan import AbstractPlan
  from evadb.plan_nodes.create_function_plan import CreateFunctionPlan
  from evadb.plan_nodes.create_plan import CreatePlan
  from evadb.plan_nodes.drop_object_plan import DropObjectPlan
  from evadb.plan_nodes.insert_plan import InsertPlan
  from evadb.plan_nodes.load_data_plan import LoadDataPlan
  from evadb.plan_nodes.rename_plan import RenamePlan
  from evadb.plan_nodes.types import PlanOprType
  from evadb.plan_nodes.union_plan import UnionPlan
label_desc: Use image node_id 4 for calling the PlanNodeTests obj's underlying member method code with example usage: obj.test_insert_plan() without return types