code: def test_PathBrowserTreeItem(self):
      p = pathbrowser.PathBrowserTreeItem()
      self.assertEqual(p.GetText(), "sys.path")
      sub = p.GetSubList()
      self.assertEqual(len(sub), len(sys.path))
      self.assertEqual(type(sub[0]), pathbrowser.DirBrowserTreeItem)
  
imports: from idlelib import pathbrowser
  import unittest
  from test.support import requires
  from tkinter import Tk
  import os.path
  import pyclbr
  import sys
  from idlelib.idle_test.mock_idle import Func
  import idlelib
  from idlelib import browser
  from idlelib.tree import TreeNode
label_desc: Use image node_id 1 for calling the PathBrowserTreeItemTest obj's underlying member method code with example usage: obj.test_PathBrowserTreeItem() without return types