code: def inject_outlier_ts_params(request):
      return tests_ts[request.param]
  
file_path: alibi-detect/alibi_detect/utils/tests/test_perturbation.py
imports: from functools import reduce
  from itertools import product
  from operator import mul
  import numpy
  import pytest
  from alibi_detect.utils.data import Bunch
  from alibi_detect.utils.perturbation import apply_mask, inject_outlier_ts
  from alibi_detect.utils.tensorflow.perturbation import mutate_categorical
label_desc: Use image node_id 3 for calling a global function with example usage: inject_outlier_ts_params(request) and returns: tests_ts