code: def params_loader():
      params_loader = Mock(ParamsLoader)
      params_loader.get_parameter_args = Mock(
          return_value={"params": {"key": "value"}}
      )
      return params_loader
  
imports: from __future__ import absolute_import
  import pytest
  import test_data_helpers
  from mock import Mock, patch
  from pyspark.sql import DataFrame, SparkSession
  from sagemaker.feature_store.feature_processor._input_loader import InputLoader
  from sagemaker.feature_store.feature_processor._params_loader import ParamsLoader
  from sagemaker.feature_store.feature_processor._spark_factory import SparkSessionFactory
  from sagemaker.feature_store.feature_processor._udf_arg_provider import SparkArgProvider
  from sagemaker.feature_store.feature_processor._data_source import PySparkDataSource
label_desc: Use image node_id 1 for calling a global function with example usage: params_loader() and returns: params_loader