code: def test_api(self):
      self.check_api(DataFrameWriterV2)
  
imports: import os
  import shutil
  import tempfile
  from pyspark.errors import AnalysisException
  from pyspark.sql.functions import col
  from pyspark.sql.readwriter import DataFrameWriterV2
  from pyspark.sql.types import StructType, StructField, StringType
  from pyspark.testing.sqlutils import ReusedSQLTestCase
label_desc: Use image node_id 1 for calling the ReadwriterV2TestsMixin obj's underlying member method code with example usage: obj.test_api() without return types