def test_find_bold_ranges(self):
    expected_bold_ranges = [(1843, 1855), (1859, 1867), (1871, 1876),
                            (1880, 1889), (1893, 1900), (1918, 1930),
                            (1934, 1942), (1968, 1975), (1946, 1951),
                            (1955, 1964), (2001, 2013), (2017, 2025),
                            (2029, 2034), (2038, 2047), (2051, 2058)]
    bold_ranges = generator_utils.find_bold_ranges(self.DOC_JSON)
    self.assertItemsEqual(expected_bold_ranges, bold_ranges)