def test_non(self):
assert iround(0, 90) == 0
assert iround(180, 90) == 180
def test_neg(self):
assert iround(-83, 90) == -90
assert iround(-180, 90) == -180
def test_equ(self):
assert iround(86, 90) == 90
assert iround(115, 90) == 90
