class_docstr: test select lines unit test
  TODO: Docstring
docstr: test of compute select multiple index lines
docstr_tok: ["test","of","compute","select","multiple","index","lines"]
code: def test_compute_select_multiple_index_lines(self):
      """
      test of compute select multiple index lines
      """
      dataframe = DF.set_index(["col1", "col2"])
      output = select_lines(dataframe, "col3 < 0")
      expected = [("A", "A"), ("C", "B")]
      assert output == expected
  
file_path: shapash/tests/unit_tests/manipulation/test_select_lines.py
imports: import unittest
  import pandas
  from shapash.manipulation.select_lines import select_lines
label_desc: Use image node_id 3 for calling the TestSelectLines obj's underlying member method code with example usage: obj.test_compute_select_multiple_index_lines() without return types