[wp] update tests oracles

src/plugins/wp/tests/wp_acsl/oracle/assigns_path.res.oracle

...ns/wp/tests/wp_acsl/oracle_qualif/assigns_path.res.oracle

src/plugins/wp/tests/wp_bts/oracle/bts_2079.res.oracle

...plugins/wp/tests/wp_bts/oracle_qualif/bts_2079.res.oracle

src/plugins/wp/tests/wp_plugin/oracle/dynamic.0.res.oracle

src/plugins/wp/tests/wp_plugin/oracle/dynamic.1.res.oracle

...ins/wp/tests/wp_plugin/oracle_qualif/dynamic.0.res.oracle

...ins/wp/tests/wp_plugin/oracle_qualif/dynamic.1.res.oracle

src/plugins/wp/tests/wp_usage/oracle/caveat.0.res.oracle

src/plugins/wp/tests/wp_usage/oracle/caveat.1.res.oracle

src/plugins/wp/tests/wp_usage/oracle/caveat2.res.oracle

...lugins/wp/tests/wp_usage/oracle_qualif/caveat2.res.oracle