code: def testCreateOptionsViaExportedAPI(self):
      options = collective_util._OptionsExported(bytes_per_pack=1)
      self.assertIsInstance(options, collective_util.Options)
      self.assertEqual(options.bytes_per_pack, 1)
      with self.assertRaises(ValueError):
          collective_util._OptionsExported(bytes_per_pack=-1)
  
imports: from tensorflow.python.distribute import collective_util
  from tensorflow.python.eager import test
label_desc: Use image node_id 1 for calling the OptionsTest obj's underlying member method code with example usage: obj.testCreateOptionsViaExportedAPI() without return types