8bf484a140f8a1d31f474c93e4201740444dcc5c fixed expectation model test cases. They had a crazy steady state revealed by the now more accurate nonlinear solver.

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

================================ DYNARE MAKE CHECK OCTAVE RESULTS ================================ | TOTAL: 442 | PASS: 439 | FAIL: 1 | XFAIL: 2 | XPASS: 0 | LIST OF FAILED TESTS: | * smoother2histval/fs2000_simul.mod

A full log can be found on karaba in '/tmp/dynare-master-check-ST8dGZwIrh.log'.