code: def test_random_noise():
      series = pd.Series([1, 3, 5, 7, 166])
      random_noise(col=series, mag=0.14)
  
file_path: fklearn/tests/validation/test_perturbators.py
imports: from fklearn.validation.perturbators import shift_mu, random_noise, nullify, sample_columns, perturbator
  import pandas
  import numpy
label_desc: Use image node_id 2 for calling a global function with example usage: test_random_noise() without return types