code: def test_with_small_noise():
      return exec_test_diff_with_stdout(
          data_file("f1.tsv"),
          data_file("f1_with_small_noise.tsv"),
          "--have-header",
      )
  
imports: import pytest
  import yatest.common
  import os.path
label_desc: Use image node_id 9 for calling a global function with example usage: test_with_small_noise() and returns: exec_test_diff_with_stdout