Run the basic phase group example.

  In this example, there are no terminal phases; all phases are run.

def run_basic_group():
  """Run the basic phase group example.

  In this example, there are no terminal phases; all phases are run.
  """
  test = htf.Test(htf.PhaseGroup(
      setup=[setup_phase],
      main=[main_phase],
      teardown=[teardown_phase],
  ))
  test.execute()