code: def test_single_line_one_less(self):
      # With 'ascii' style, len(str(p)) is default linewidth - 1 (i.e. 74)
      p = poly.Polynomial([12345678, 12345678, 12345678, 12345678, 123])
      assert_equal(len(str(p)), 74)
      assert_equal(
          str(p),
          (
              "12345678.0 + 12345678.0 x + 12345678.0 x**2 + "
              "12345678.0 x**3 + 123.0 x**4"
          ),
      )
  
imports: from math import nan, inf
  import pytest
  from numpy._core import array, arange, printoptions
  import numpy.polynomial
  from numpy.testing import assert_equal, assert_
  from fractions import Fraction
  from decimal import Decimal
label_desc: Use image node_id 2 for calling the TestLinebreaking obj's underlying member method code with example usage: obj.test_single_line_one_less() without return types