def METHOD_NAME(self):
    """Test plot_circmean.
    The MATLAB equivalent is:
    circ_plot(alpha,'pretty','ro',true,'linewidth',2,'color','r')
    """
    angles = np.array([0.02, 0.07, -0.12, 0.14, 1.2, -1.3])
    ax = plot_circmean(angles)
    assert isinstance(ax, matplotlib.axes.Axes)
    ax = plot_circmean(angles, kwargs_markers={}, kwargs_arrow={})
    assert isinstance(ax, matplotlib.axes.Axes)
    plt.close("all")