code: def testInitializer(self, initializer, shape, dtype):
      rng = random.PRNGKey(0)
      val = initializer(rng, shape, dtype)
  
      self.assertEqual(shape, jnp.shape(val))
      self.assertEqual(
          jax.dtypes.canonicalize_dtype(dtype), jnp.dtype(val)
      )
  
imports: import collections
  from functools import partial
  import itertools
  import unittest
  from absl.testing import absltest
  from absl.testing import parameterized
  import scipy.stats
  from jax._src import config
  from jax._src import core
  from jax._src import test_util
  from jax._src import ad_checkpoint
  from jax.test_util import check_grads
  from jax import nn
  from jax import random
  import jax
  import jax.numpy
label_desc: Use image node_id 1 for calling the NNInitializersTest obj's underlying member method code with example usage: obj.testInitializer(initializer, shape, dtype) without return types