def test_pna_frequency_view(windows, root_view, task_workbench):
"""Test PNA frequency interface widget outisde of a LoopTask.
"""
task = SetRFFrequencyTask(name='Test')
task.interface = PNASetRFFrequencyInterface(task=task)
root_view.task.add_child_task(0, task)
show_and_close_widget(RFFrequencyView(task=task, root=root_view))
