text: import os
  from test import support
  
  # Skip this test if _tkinter does not exist.
  support.import_module('_tkinter')
  
  from tkinter.test import runtktests
  
  def test_main():
      support.run_unittest(
              *runtktests.get_tests(gui=False, packages=['test_ttk']))
  
  if __name__ == '__main__':
      test_main()
  