code: def test_convert_element_type(self):
      # Regression test for part of https://github.com/google/jax/issues/5982
      with enable_x64():
          x = jnp.int64(1)
      self.assertEqual(x.dtype, jnp.int64)
  
      y = x.astype(jnp.int32)
      self.assertEqual(y.dtype, jnp.int32)
  
      z = jax.jit(lambda x: x.astype(jnp.int32))(x)
      self.assertEqual(z.dtype, jnp.int32)
  
imports: import concurrent.futures
  from functools import partial
  import time
  import unittest
  from absl.testing import absltest
  import numpy
  import jax
  from jax import lax
  from jax import random
  from jax import config
  from jax.experimental import enable_x64, disable_x64
  import jax.numpy
  import jax._src.test_util
label_desc: Use image node_id 7 for calling the X64ContextTests obj's underlying member method code with example usage: obj.test_convert_element_type() without return types