code: def test_getstate(self):
      bit_generator = self.bit_generator(*self.data1["seed"])
      state = bit_generator.state
      alt_state = bit_generator.__getstate__()
      assert_state_equal(state, alt_state)
  
imports: import os
  from os.path import join
  import sys
  import numpy
  from numpy.testing import assert_equal, assert_allclose, assert_array_equal, assert_raises
  import pytest
  from numpy.random import Generator, MT19937, PCG64, PCG64DXSM, Philox, RandomState, SeedSequence, SFC64, default_rng
  from numpy.random._common import interface
label_desc: Use image node_id 18 for calling the Base obj's underlying member method code with example usage: obj.test_getstate() without return types