[tests-wp] update oracles following message change

src/plugins/wp/tests/wp_bts/oracle/bts_2159.res.oracle

src/plugins/wp/tests/wp_bts/oracle/bts_2201.res.oracle

src/plugins/wp/tests/wp_bts/oracle/bts_2246.res.oracle

src/plugins/wp/tests/wp_bts/oracle/bts_2501.res.oracle

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

src/plugins/wp/tests/wp_bts/oracle/ex5.res.oracle

src/plugins/wp/tests/wp_bts/oracle/issue-364.res.oracle

src/plugins/wp/tests/wp_bts/oracle/issue-516.res.oracle

src/plugins/wp/tests/wp_bts/oracle/issue-684-exit.res.oracle

src/plugins/wp/tests/wp_bts/oracle/issue_141.res.oracle

src/plugins/wp/tests/wp_bts/oracle/issue_198.res.oracle

src/plugins/wp/tests/wp_bts/oracle/issue_447.res.oracle

src/plugins/wp/tests/wp_bts/oracle/issue_453.res.oracle

src/plugins/wp/tests/wp_bts/oracle/issue_494.res.oracle

src/plugins/wp/tests/wp_bts/oracle/issue_508.res.oracle

src/plugins/wp/tests/wp_bts/oracle/issue_711.res.oracle

src/plugins/wp/tests/wp_bts/oracle/issue_715_a.res.oracle

src/plugins/wp/tests/wp_bts/oracle/issue_715_b.res.oracle

src/plugins/wp/tests/wp_bts/oracle/issue_751.res.oracle

src/plugins/wp/tests/wp_bts/oracle/issue_801.res.oracle