def METHOD_NAME(log_data, ground_truth_data, schema, spark):
    spark.conf.set("spark.sql.session.timeZone", "UTC")
    log = spark.createDataFrame(data=log_data, schema=schema)
    ground_truth = spark.createDataFrame(data=ground_truth_data, schema=schema)
    for col in log.columns:
        kwargs = (
            {"date_format": "dd.MM.yyyy[-HH:mm:ss[.SSS]]"}
            if col == "str_format_"
            else {}
        )
        log = utils.process_timestamp_column(log, col, **kwargs)
        assert isinstance(log.schema[col].dataType, TimestampType)
    sparkDataFrameEqual(log, ground_truth)
    spark.conf.unset("spark.sql.session.timeZone")