[tests-wp] update oracles following message change

src/plugins/wp/tests/wp_bts/oracle/issue_81.res.oracle

src/plugins/wp/tests/wp_bts/oracle/issue_825.res.oracle

src/plugins/wp/tests/wp_bts/oracle/issue_837.res.oracle

src/plugins/wp/tests/wp_bts/oracle/issue_898.res.oracle

...lugins/wp/tests/wp_bts/oracle/nupw-bcl-bts1120.res.oracle

.../oracle/binary-multiplication-without-overflow.res.oracle

.../tests/wp_gallery/oracle/binary-multiplication.res.oracle

src/plugins/wp/tests/wp_gallery/oracle/find.res.oracle

...wp/tests/wp_gallery/oracle/frama_c_exo1_solved.res.oracle

...wp/tests/wp_gallery/oracle/frama_c_exo2_solved.res.oracle

...ests/wp_gallery/oracle/frama_c_exo3_solved.old.res.oracle

...s/wp_gallery/oracle/frama_c_exo3_solved.old.v2.res.oracle

..._gallery/oracle/frama_c_exo3_solved.simplified.res.oracle

...tests/wp_gallery/oracle/frama_c_hashtbl_solved.res.oracle

...gins/wp/tests/wp_gallery/oracle/loop-statement.res.oracle

...sts/wp_hoare/oracle/alias_assigns_hypotheses.0.res.oracle

...sts/wp_hoare/oracle/alias_assigns_hypotheses.1.res.oracle

src/plugins/wp/tests/wp_hoare/oracle/byref.0.res.oracle

src/plugins/wp/tests/wp_hoare/oracle/byref.1.res.oracle

src/plugins/wp/tests/wp_hoare/oracle/dispatch_var.res.oracle