For me as well. Since [1] Octave's fminunc is now MATLAB compatible, but that test [2] needs to be relaxed to 1e-8 or 1e-7
!!!!! test failed
ASSERT errors for: assert ([ynew(1:end), ypnew(1:end)],[ref1(1:end), ref2(1:end)],1e-10)
Location | Observed | Expected | Reason
(3,1) -4.2594e-09 0 Abs err 4.2594e-09 exceeds tol 1e-10 by 4e-09
(1,2) -0.04 -0.04 Abs err 4.5867e-09 exceeds tol 1e-10 by 4e-09
(2,2) 0.04 0.04 Abs err 1.3676e-08 exceeds tol 1e-10 by 1e-08