code: def test_expand_dims_multiple_outputs_no_signature(self):
      f = jnp.vectorize(lambda x: (x, x))
      x = jnp.arange(1)
      xx = f(x)
      self.assertAllClose(xx[0], x)
      self.assertAllClose(xx[1], x)
      self.assertIsInstance(xx, tuple)
  
imports: from functools import partial
  from absl.testing import absltest
  import numpy
  import jax
  from jax import numpy
  from jax._src import test_util
  from jax import config
label_desc: Use image node_id 17 for calling the VectorizeTest obj's underlying member method code with example usage: obj.test_expand_dims_multiple_outputs_no_signature() without return types