code: def correlation_data_num(spark_session):
      correlation_testdata = pd.DataFrame(
          {
              "test_num_1": [1, 2, 3, 5, 7, 8, 9],
              "test_num_2": [11, 12, 13, 15, 17, 18, 4],
          }
      )
  
      return spark_session.createDataFrame(correlation_testdata)
  
file_path: ydata-profiling/tests/backends/spark_backend/test_correlations_spark.py
imports: import pandas
  import pytest
  from ydata_profiling.config import Settings
  from ydata_profiling.model.correlations import Kendall
  from ydata_profiling.model.pandas.correlations_pandas import pandas_pearson_compute, pandas_spearman_compute
  from ydata_profiling.model.spark.correlations_spark import spark_pearson_compute, spark_spearman_compute
label_desc: Use image node_id 1 for calling a global function with example usage: correlation_data_num(spark_session) and returns: spark_session