code: def test_huge_string_builtins2(self, size):
      # These commands require larger memory for possible error messages
      tk = self.interp.tk
      value = "1" + " " * size
      self.assertRaises(OverflowError, tk.evalfile, value)
      self.assertRaises(OverflowError, tk.unsetvar, value)
      self.assertRaises(OverflowError, tk.unsetvar, "x", value)
  
imports: import unittest
  import subprocess
  import sys
  import os
  from test import support
  from test.support import import_helper
  from test.support import os_helper
  import tkinter
  from tkinter import Tcl
  from _tkinter import TclError
label_desc: Use image node_id 4 for calling the BigmemTclTest obj's underlying member method code with example usage: obj.test_huge_string_builtins2(size) without return types