def METHOD_NAME():
    # test that alpha channel from RGBA is not skipped
    dy, dx = (3, 4)
    ax = plt.axes(projection=ccrs.Orthographic(-120, 45))
    # Create RGBA Image with random data and linspace alpha
    RGBA = np.linspace(0, 255 * 31, dx * dy * 4,
                       dtype=np.uint8).reshape((dy, dx, 4))
    alpha = np.array([0, 85, 170, 255])
    RGBA[:, :, 3] = alpha
    img = ax.imshow(RGBA, transform=ccrs.PlateCarree())
    assert np.all(np.unique(img.get_array().data[:, :, 3]) == alpha)