[wp] move dot files for region tests

src/plugins/wp/tests/wp_region/oracle/garbled.res.oracle

@@ -2,6 +2,6 @@
 [wp:garbled] Garbled Clusters: A=sint32 B=float32
 [wp:garbled] Garbled Clusters: A=garbled B=sint32
 [wp:garbled] Garbled Clusters: A=garbled B=float32
-[wp] Region Graph: garbled/region/job.dot
+[wp] Region Graph: garbled.0.dot
 [wp] Running WP plugin...
 [wp] Warning: Missing RTE guards

src/plugins/wp/tests/wp_region/oracle/index.res.oracle

 [kernel] Parsing index.i (no preprocessing)
-[wp] Region Graph: index/region/job.dot
+[wp] Region Graph: index.0.dot
 [wp] Running WP plugin...
 [wp] Warning: Missing RTE guards

src/plugins/wp/tests/wp_region/oracle/matrix.res.oracle

 [kernel] Parsing matrix.i (no preprocessing)
-[wp] Region Graph: matrix/region/job.dot
+[wp] Region Graph: matrix.0.dot
 [wp] Running WP plugin...
 [wp] Warning: Missing RTE guards

src/plugins/wp/tests/wp_region/oracle/structarray1.res.oracle

 [kernel] Parsing structarray1.i (no preprocessing)
-[wp] Region Graph: structarray1/region/job.dot
+[wp] Region Graph: structarray1.0.dot
 [wp] Running WP plugin...
 [wp] Warning: Missing RTE guards

src/plugins/wp/tests/wp_region/oracle/structarray2.res.oracle

 [kernel] Parsing structarray2.i (no preprocessing)
-[wp] Region Graph: structarray2/region/job.dot
+[wp] Region Graph: structarray2.0.dot
 [wp] Running WP plugin...
 [wp] Warning: Missing RTE guards

src/plugins/wp/tests/wp_region/oracle/structarray3.res.oracle

 [kernel] Parsing structarray3.i (no preprocessing)
-[wp] Region Graph: structarray3/region/job.dot
+[wp] Region Graph: structarray3.0.dot
 [wp] Running WP plugin...
 [wp] Warning: Missing RTE guards

src/plugins/wp/tests/wp_region/oracle/structarray4.res.oracle

 [kernel] Parsing structarray4.i (no preprocessing)
-[wp] Region Graph: structarray4/region/job.dot
+[wp] Region Graph: structarray4.0.dot
 [wp] Running WP plugin...
 [wp] Warning: Missing RTE guards

src/plugins/wp/tests/wp_region/oracle/swap.res.oracle

 [kernel] Parsing swap.i (no preprocessing)
-[wp] Region Graph: swap/region/job.dot
+[wp] Region Graph: swap.0.dot
 [wp] Running WP plugin...
 [wp] Warning: Missing RTE guards

src/plugins/wp/tests/wp_region/test_config

 PLUGIN: wp,rtegen
 CMD: @frama-c@
-LOG: @PTEST_NAME@/region/job.dot
-OPT: -wp-prover none -wp-region -wp-msg-key dot,chunk,roots,garbled -wp-warn-key pedantic-assigns=inactive -wp-out @PTEST_RESULT@/@PTEST_NAME@ -wp-fct job
+LOG: @PTEST_NAME@.@PTEST_NUMBER@.dot
+OPT: -wp-prover none -wp-region -wp-msg-key dot,chunk,roots,garbled -wp-warn-key pedantic-assigns=inactive -wp-region-output-dot @PTEST_RESULT@/@PTEST_NAME@.@PTEST_NUMBER@.dot -wp-fct job