def METHOD_NAME(self):
    points = self.test_pts
    dsrc = XYDataSource(np.zeros((self.n, 2), dtype=int),
                        points=points, overwrite=True)
    expected = points[0]
    actual = dsrc.pop_rear()
    assert_allclose(actual, expected)
    assert len(dsrc.get_points()) == self.n - 1