[wp] use success-only for qualif

src/plugins/wp/tests/wp_plugin/math.i

src/plugins/wp/tests/wp_plugin/oracle_qualif/asm.res.oracle

...lugins/wp/tests/wp_plugin/oracle_qualif/bool.0.res.oracle

...ugins/wp/tests/wp_plugin/oracle_qualif/dynamic.res.oracle

...ugins/wp/tests/wp_plugin/oracle_qualif/flash.0.res.oracle

...p/tests/wp_plugin/oracle_qualif/float_format.0.res.oracle

...p/tests/wp_plugin/oracle_qualif/float_format.1.res.oracle

...p/tests/wp_plugin/oracle_qualif/float_format.2.res.oracle

.../wp/tests/wp_plugin/oracle_qualif/float_real.1.res.oracle

...plugins/wp/tests/wp_plugin/oracle_qualif/frame.res.oracle

...ns/wp/tests/wp_plugin/oracle_qualif/init_const.res.oracle

...tests/wp_plugin/oracle_qualif/init_const_guard.res.oracle

...s/wp/tests/wp_plugin/oracle_qualif/init_extern.res.oracle

...ns/wp/tests/wp_plugin/oracle_qualif/init_valid.res.oracle

...ns/wp/tests/wp_plugin/oracle_qualif/injector.1.res.oracle

src/plugins/wp/tests/wp_plugin/oracle_qualif/loop.res.oracle

...lugins/wp/tests/wp_plugin/oracle_qualif/math.2.res.oracle

...lugins/wp/tests/wp_plugin/oracle_qualif/math.3.res.oracle

...ins/wp/tests/wp_plugin/oracle_qualif/overarray.res.oracle

...ns/wp/tests/wp_plugin/oracle_qualif/overassign.res.oracle