class_docstr: ProdDiscreteDomain Domain. 
class_docstr_tok: ["ProdDiscreteDomain","Domain","."]
docstr: Child set up. 
docstr_tok: ["Child","set","up","."]
code: def _child_set_up(self):
      """Child set up."""
      self.domain_obj = domains.ProdDiscreteDomain(
          [["abc", 5, 6.5], [None, float]]
      )
      self.points = [("abc", float), [6.5, None], [5, None]]
      self.non_points = [
          ["abc", float, float],
          [5, 7],
          "qwerty",
          [99],
          6,
      ]
  
imports: from __future__ import absolute_import
  import numpy
  from .None import domains
  from ..utils.general_utils import map_to_bounds
  from ..utils.base_test_class import BaseTestClass, execute_tests
label_desc: Use image node_id 1 for calling the ProdDiscreteDomainTestCase obj's underlying member method code with example usage: obj._child_set_up() without return types