23134353e353be74c29384d2d34755aa7186d5d0 extended_path: update tests models; correct bugs introduced in previous commit

================================ DYNARE MAKE CHECK MATLAB RESULTS ================================ | TOTAL: 444 | PASS: 442 | FAIL: 0 | XFAIL: 2 | XPASS: 0

================================ DYNARE MAKE CHECK OCTAVE RESULTS ================================ | TOTAL: 442 | PASS: 440 | FAIL: 0 | XFAIL: 2 | XPASS: 0

A full log can be found on karaba in '/tmp/dynare-master-check-t2MKKwlT6I.log'.