def METHOD_NAME(self) -> None:
    schema = StructType(
        [
            StructField("DimensionSeries", StringType(), True),
            StructField("MeasureSeries", IntegerType(), True),
        ]
    )
    df_data = [
        ("1", 3),
        (None, None),
    ]
    df = self.spark.createDataFrame(df_data, schema)
    self.data.add_df(df)
    self.assertEqual(
        self.ref_pd_series_with_nan,
        self.data.build(),
    )