code: def test_test_cases_no_product(self):
      all_tests = test_utils.named_product(numeral_type=[float, int])
      names = [test["testcase_name"] for test in all_tests]
      self.assertListEqual(names, ["float", "int"])
  
imports: import numpy
  from absl.testing import parameterized
  from keras.testing import test_case
  from keras.testing import test_utils
label_desc: Use image node_id 2 for calling the NamedProductTest obj's underlying member method code with example usage: obj.test_test_cases_no_product() without return types