def test_logout():
"""
Ensure the toolbar updates to the logged out state.
"""
w = Window()
w.tool_bar = mock.MagicMock()
w.logout()
w.tool_bar.set_logged_out.assert_called_once_with()
def test_logout(mocker):
"""
Ensure the left pane updates to the logged out state.
"""
w = Window()
w.left_pane = mocker.MagicMock()
w.top_pane = mocker.MagicMock()
w.logout()
w.left_pane.set_logged_out.assert_called_once_with()
w.top_pane.set_logged_out.assert_called_once_with()