code: def test_streaming_write_to_table(self):
      with self.table(
          "output_table"
      ), tempfile.TemporaryDirectory() as tmpdir:
          df = (
              self.spark.readStream.format("rate")
              .option("rowsPerSecond", 10)
              .load()
          )
          q = df.writeStream.toTable(
              "output_table",
              format="parquet",
              checkpointLocation=tmpdir,
          )
          self.assertTrue(q.isActive)
          time.sleep(10)
          q.stop()
          result = self.spark.sql(
              "SELECT value FROM output_table"
          ).collect()
          self.assertTrue(len(result) > 0)
  
imports: import os
  import shutil
  import tempfile
  import time
  from pyspark.sql import Row
  from pyspark.sql.functions import lit
  from pyspark.sql.types import StructType, StructField, IntegerType, StringType
  from pyspark.testing.sqlutils import ReusedSQLTestCase
label_desc: Use image node_id 13 for calling the StreamingTestsMixin obj's underlying member method code with example usage: obj.test_streaming_write_to_table() without return types