def METHOD_NAME(self):
    # Test 2d vector plotting onto a different projection.
    u_cube, v_cube = self._latlon_uv_cubes(sample_2d_latlons())
    ax = plt.axes(projection=ccrs.NorthPolarStereo())
    self.plot(
        "latlon_2d_polar", u_cube, v_cube, coords=("longitude", "latitude")
    )
    ax.coastlines(resolution="110m", color="red")
    self.check_graphic()