[m-rev.] for post-commit review: fix more invalid test cases, part 3

[Julien Fischer]

On Sun, 14 Sept 2025 at 18:00, Zoltan Somogyi <zoltan.somogyi at runbox.com> wrote:

> Fix even more invalid test case failures.
>
> tests/invalid_make_int/unicode_1.{m,int_err_exp}:
> tests/invalid_make_int/unicode_2.{m,int_err_exp}:
>     Move these two test cases here from invalid_nodepend,
>     since the errors they test for have been reported
>     when making dependencies for a long while now.
>
> tests/invalid_make_int/Mercury.options:
> tests/invalid_make_int/Mmakefile:
> tests/invalid_nodepend/Mercury.options:
> tests/invalid_nodepend/Mmakefile:
>     Update these files for the move.
>
> tests/par_conj/Mmakefile:
>     Don't execute the threads_hang test case in non-C grades,
>     since one of its predicates is defined only for C.
>
> tests/valid_make_int/Mmakefile:
>     In grades that use mmc --make, specify targets to make
>     in a form that mmc --make actually accepts. (We used to ask them
>     to make a file in a subdirectory, which mmc --make does not allow.)

That's fine.

Julien.