How to use the pytileproj.geometry.setup_test_geom_spitzbergen function in pytileproj

def test_search_tiles_spitzbergen(self):
        """
        Tests the tile searching over Spitzbergen in the polar zone; ROI defined
        by a 4-corner polygon over high latitudes (is much curved on the globe).
        """

        grid = Equi7Grid(500)

        spitzbergen_geom = setup_test_geom_spitzbergen()
        spitzbergen_geom_tiles = sorted(['EU500M_E054N042T6', 'EU500M_E054N048T6',
                                         'EU500M_E060N042T6', 'EU500M_E060N048T6'])
        tiles = sorted(grid.search_tiles_in_roi(spitzbergen_geom,
                                                coverland=False))

        assert sorted(tiles) == sorted(spitzbergen_geom_tiles)