code: def test_avro_basic_write(self):
      schema, objects = _create_basic_avro_schema_and_py_objects()
      self._build_avro_job(schema, objects)
      self.env.execute("test_avro_basic_write")
      results = self._read_avro_file()
      _check_basic_avro_schema_results(self, results)
  
imports: import glob
  import os
  import tempfile
  from typing import Tuple, List
  from avro.datafile import DataFileReader
  from avro.io import DatumReader
  from py4j.java_gateway import JavaObject, java_import
  from pyflink.datastream import MapFunction
  from pyflink.datastream.connectors.file_system import FileSink
  from pyflink.datastream.formats.avro import AvroSchema, GenericRecordAvroTypeInfo, AvroBulkWriters, AvroInputFormat
  from pyflink.datastream.tests.test_util import DataStreamTestSinkFunction
  from pyflink.java_gateway import get_gateway
  from pyflink.testing.test_case_utils import PyFlinkUTTestCase
label_desc: Use image node_id 2 for calling the FileSinkAvroWritersTests obj's underlying member method code with example usage: obj.test_avro_basic_write() without return types