code: def test_totally_different():
      return exec_test_diff_with_stdout(
          data_file("f1.tsv"), data_file("f2.tsv")
      )
  
imports: import pytest
  import yatest.common
  import os.path
label_desc: Use image node_id 6 for calling a global function with example usage: test_totally_different() and returns: exec_test_diff_with_stdout