Test: add a test that involve rdbg with built-in demon

test/dfs/Makefile

-# Time-stamp: <modified the 26/03/2019 (at 14:43) by Erwan Jahier>
+# Time-stamp: <modified the 28/03/2019 (at 18:04) by Erwan Jahier>
 
 
 test: test0 lurette0
@@ -28,8 +28,8 @@ rdbg: cmxs g.lut
 
 rdbg0: cmxs g.lut
 	rdbg -o lurette.rif  \
-      -env "$(sasa) g.dot -custd -rif" \
-      -sut-nd "lutin g.lut -n distributed"
+      -env "$(sasa) g.dot  -rif" \
+      -sut-nd "lutin g.lut -n dummy"