* build-aux/check-mescc.sh (TESTS): Enable 54-argv.c (XFAIL_TESTS): Remove it. * build-aux/test-c.sh: Invoke test with options. * lib/tests/scaffold/54-argc.c: Update.
* lib/tests/scaffold: Move from scaffold/tests. * scaffold/tests: Remove. * build-aux/check-mescc.sh: Update.