def _hide_frame(ax):
    ax.set_xticks([])
    ax.set_yticks([])
    ax.set_frame_on(False)
Test if we get the last message when we subscrible, mixing CC and GCC
dataset/ETHPy150Open mne-tools/mne-python/mne/viz/topomap.py/_hide_frame--crossover with--dataset/ETHPy150Open ebu/radiodns-plugit/RadioVisServer/tests.py/MainTests.test_message_then_subscrible_gcc_to_cc