[wp] move dot files for region tests

src/plugins/wp/tests/wp_region/oracle/array1.res.oracle

 [kernel] Parsing array1.i (no preprocessing)
-[wp] Region Graph: array1/region/job.dot
+[wp] Region Graph: array1.0.dot
 [wp] Running WP plugin...
 [wp] Warning: Missing RTE guards

src/plugins/wp/tests/wp_region/oracle/array2.res.oracle

 [kernel] Parsing array2.i (no preprocessing)
-[wp] Region Graph: array2/region/job.dot
+[wp] Region Graph: array2.0.dot
 [wp] Running WP plugin...
 [wp] Warning: Missing RTE guards

src/plugins/wp/tests/wp_region/oracle/array3.res.oracle

 [kernel] Parsing array3.i (no preprocessing)
-[wp] Region Graph: array3/region/job.dot
+[wp] Region Graph: array3.0.dot
 [wp] Running WP plugin...
 [wp] Warning: Missing RTE guards

src/plugins/wp/tests/wp_region/oracle/array4.res.oracle

 [kernel] Parsing array4.i (no preprocessing)
-[wp] Region Graph: array4/region/job.dot
+[wp] Region Graph: array4.0.dot
 [wp] Running WP plugin...
 [wp] Warning: Missing RTE guards

src/plugins/wp/tests/wp_region/oracle/array5.res.oracle

 [kernel] Parsing array5.i (no preprocessing)
-[wp] Region Graph: array5/region/job.dot
+[wp] Region Graph: array5.0.dot
 [wp] Running WP plugin...
 [wp] Warning: Missing RTE guards

src/plugins/wp/tests/wp_region/oracle/array6.res.oracle

 [kernel] Parsing array6.i (no preprocessing)
-[wp] Region Graph: array6/region/job.dot
+[wp] Region Graph: array6.0.dot
 [wp] Running WP plugin...
 [wp] Warning: Missing RTE guards

src/plugins/wp/tests/wp_region/oracle/array7.res.oracle

 [kernel] Parsing array7.i (no preprocessing)
-[wp] Region Graph: array7/region/job.dot
+[wp] Region Graph: array7.0.dot
 [wp] Running WP plugin...
 [wp] Warning: Missing RTE guards

src/plugins/wp/tests/wp_region/oracle/array8.res.oracle

 [kernel] Parsing array8.i (no preprocessing)
-[wp] Region Graph: array8/region/job.dot
+[wp] Region Graph: array8.0.dot
 [wp] Running WP plugin...
 [wp] Warning: Missing RTE guards

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

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

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

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