code: def test_replace_masked_zeros(self):
      output = base.replace_masked(self.data, None, self.mask)
      expected_output = jnp.array(
          [
              [1, 2, 3, 4, 5, 6],
              [0, 0, 0, 0, 0, 0],
          ]
      )
      # Test output.
      np.testing.assert_allclose(output, expected_output)
  
file_path: rlax/rlax/_src/base_test.py
imports: from absl.testing import absltest
  from absl.testing import parameterized
  import jax
  import jax.numpy
  import numpy
  from rlax._src import base
label_desc: Use image node_id 3 for calling the ReplaceTest obj's underlying member method code with example usage: obj.test_replace_masked_zeros() without return types