[Test] Add tests for multimap combined scores

test/functional/cases/102_multimap.robot

@@ -67,7 +67,7 @@ MAP - FROM
 
 MAP - COMBINED IP MASK FROM
   Scan File  ${MESSAGE}  IP=10.1.0.10  From=user@example.com
-  Expect Symbol  COMBINED_MAP_AND
+  Expect Symbol With Score  COMBINED_MAP_AND  10
   Expect Symbol  COMBINED_MAP_OR
 
 MAP - COMBINED IP MASK ONLY

test/functional/configs/multimap.conf

@@ -179,7 +179,9 @@ multimap {
         selector = "from:domain";
       }
     }
-    expression = "from & ip"
+    expression = "from & ip";
+    score = 10;
+    prefilter = true;
   }
   COMBINED_MAP_OR {
     type = "combined";