def METHOD_NAME(self):
    settings.write("recentFiles", [])
    # Ensure we have at least one recent action
    self.form.add_files([get_path_for_data_file("esaver.complex16s")])
    self.assertEqual(len(self.form.signal_tab_controller.signal_frames), 1)
    self.form.recentFileActionList[0].trigger()
    self.assertEqual(len(self.form.signal_tab_controller.signal_frames), 2)