code: def test_round_negative(self):
      y = linspace(-1, 3, num=8, dtype=int)
      t = array([-1, -1, 0, 0, 1, 1, 2, 3], dtype=int)
      assert_array_equal(y, t)
  
imports: import sys
  import pytest
  import numpy
  from numpy import logspace, linspace, geomspace, dtype, array, arange, isnan, ndarray, sqrt, nextafter, stack, errstate
  from numpy._core import sctypes
  from numpy._core.function_base import add_newdoc
  from numpy.testing import assert_, assert_equal, assert_raises, assert_array_equal, assert_allclose, IS_PYPY
label_desc: Use image node_id 15 for calling the TestLinspace obj's underlying member method code with example usage: obj.test_round_negative() without return types