code: def test_int_dtype_casts(self):
      running_moments = sample_stats.RunningCentralMoments.from_shape(
          shape=(), moment=1, dtype=tf.int32
      )
      running_moments = running_moments.update(0)
      moment = running_moments.moments()
      self.assertEqual(tf.float32, moment.dtype)
  
imports: from absl.testing import parameterized
  import numpy
  import scipy.stats
  import tensorflow.compat.v2
  from tensorflow_probability.python.experimental.stats import sample_stats
  from tensorflow_probability.python.internal import test_util
  from tensorflow_probability.python.mcmc import diagnostic
label_desc: Use image node_id 7 for calling the RunningCentralMomentsTest obj's underlying member method code with example usage: obj.test_int_dtype_casts() without return types