code: def setUp(self):
      super(TableDescriptorTest, self).setUp()
      self.option_a = (
          ConfigOptions.key("a").boolean_type().no_default_value()
      )
      self.option_b = (
          ConfigOptions.key("b").int_type().no_default_value()
      )
      self.key_format = (
          ConfigOptions.key("key.format")
          .string_type()
          .no_default_value()
      )
  
file_path: flink/flink-python/pyflink/table/tests/test_table_descriptor.py
imports: from pyflink.common.config_options import ConfigOptions
  from pyflink.table import DataTypes
  from pyflink.table.schema import Schema
  from pyflink.table.table_descriptor import TableDescriptor, FormatDescriptor
  from pyflink.testing.test_case_utils import PyFlinkStreamTableTestCase
label_desc: Use image node_id 1 for calling the TableDescriptorTest obj's underlying member method code with example usage: obj.setUp() without return types