code: def test_save_and_load(self):
      df = self.df
      tmpPath = tempfile.mkdtemp()
      shutil.rmtree(tmpPath)
      try:
          df.write.json(tmpPath)
          actual = self.spark.read.json(tmpPath)
          self.assertEqual(
              sorted(df.collect()), sorted(actual.collect())
          )
  
          schema = StructType(
              [StructField("value", StringType(), True)]
          )
          actual = self.spark.read.json(tmpPath, schema)
          self.assertEqual(
              sorted(df.select("value").collect()),
              sorted(actual.collect()),
          )
  
          df.write.json(tmpPath, "overwrite")
          actual = self.spark.read.json(tmpPath)
          self.assertEqual(
              sorted(df.collect()), sorted(actual.collect())
          )
  
          df.write.save(
              format="json",
              mode="overwrite",
              path=tmpPath,
              noUse="this options will not be used in save.",
          )
          actual = self.spark.read.load(
              format="json",
              path=tmpPath,
              noUse="this options will not be used in load.",
          )
          self.assertEqual(
              sorted(df.collect()), sorted(actual.collect())
          )
  
          try:
              self.spark.sql(
                  "SET spark.sql.sources.default=org.apache.spark.sql.json"
              )
              actual = self.spark.read.load(path=tmpPath)
              self.assertEqual(
                  sorted(df.collect()), sorted(actual.collect())
              )
          finally:
              self.spark.sql("RESET spark.sql.sources.default")
  
          csvpath = os.path.join(tempfile.mkdtemp(), "data")
          df.write.option("quote", None).format("csv").save(csvpath)
      finally:
          shutil.rmtree(tmpPath)
  
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 ReadwriterTestsMixin obj's underlying member method code with example usage: obj.test_save_and_load() without return types