class_docstr: Test cases for the whole feature selection algorithm.
class_docstr_tok: ["Test","cases","for","the","whole","feature","selection","algorithm","."]
docstr: Fix the random seed.
docstr_tok: ["Fix","the","random","seed","."]
code: def setUp(self):
      """Fix the random seed."""
      np.random.seed(seed=42)
  
file_path: tsfresh/tests/units/feature_selection/test_feature_significance.py
imports: from unittest import TestCase
  import numpy
  import pandas
  from tsfresh.feature_selection.relevance import calculate_relevance_table
label_desc: Use image node_id 1 for calling the FeatureSignificanceTestCase obj's underlying member method code with example usage: obj.setUp() without return types