[tests] Newon line search not tested in test suite

We could just enable if for some test, ideally where it also improves convergence.

changed milestone to %3.2

assigned to @RoWin

Works for several test cases e.g 1p2c/isothermal and non-isothermal and richards/lens.

closed

@RoWin where is the test? You should open a merge request so that it is actually used for one test case in the test suite.

reopened

created merge request !1778 (closed) to address this issue

mentioned in merge request !1778 (closed)

mentioned in merge request !1779 (closed)

mentioned in merge request !1780 (merged)

Should be only one executable now.

closed via merge request !1780 (merged)

mentioned in commit 3e092d20