code: def create(self):
      return tkinter.PhotoImage(
          "::img::test", master=self.root, file=self.testfile
      )
  
imports: import unittest
  import tkinter
  from test import support
  from test.support import os_helper
  from test.test_tkinter.support import AbstractTkTest, AbstractDefaultRootTest, requires_tk
label_desc: Use image node_id 2 for calling the PhotoImageTest obj's underlying member method code with example usage: obj.create() and returns: tkinter