code: def test_info():
      def f(x):
          return np.ones((3, 2, 1))
  
      res, err, info = quad_vec(f, 0, 1, norm="max", full_output=True)
  
      assert info.success is True
      assert info.status == 0
      assert info.message == "Target precision reached."
      assert info.neval > 0
      assert info.intervals.shape[1] == 2
      assert info.integrals.shape == (info.intervals.shape[0], 3, 2, 1)
      assert info.errors.shape == (info.intervals.shape[0],)
  
file_path: scipy/scipy/integrate/tests/test__quad_vec.py
imports: import pytest
  import numpy
  from numpy.testing import assert_allclose
  from scipy.integrate import quad_vec
  from multiprocessing.dummy import Pool
label_desc: Use image node_id 9 for calling a global function with example usage: test_info() and returns: np