code: def test_add_line_break_2(self):
      t = add_line_break(
          "this is a very long sentence in order to make a very great test",
          10,
      )
      expected = "this is a very<br />long sentence<br />in order to make<br />a very great<br />test"
      assert t == expected
  
imports: import unittest
  import numpy
  import pandas
  from shapash.utils.utils import inclusion, within_dict, is_nested_list, compute_digit_number, truncate_str, add_line_break, maximum_difference_sort_value, compute_sorted_variables_interactions_list_indices, compute_top_correlations_features
label_desc: Use image node_id 16 for calling the TestUtils obj's underlying member method code with example usage: obj.test_add_line_break_2() without return types