laen test does not work. trying to make setresource add the raw material to fix it

scripts/tests/common.lua

@@ -573,16 +573,7 @@ local function _test_create_laen()
     local r = region.create(0,0, "mountain")
     local f1 = faction.create("noreply@eressea.de", "human", "de")
     local u1 = unit.create(f1, r, 1)
-  
-  -- TODO this is a stupid way to create a laen region
-  for i = 1, 10000 do
-    r = region.create(i,0, "mountain")
-    if r:get_resource("laen") > 2 then
-      break
-    end
-  end
-  assert(r:get_resource("laen")>2, "could not run test properly, please try again")
-  
+    r:set_resource("laen", 3)
     return r, u1
 end
 

src/kernel/region.c

@@ -1016,6 +1016,16 @@ void region_setresource(region * r, const resource_type * rtype, int value)
       rsetpeasants(r, value);
     else if (rtype == rt_find("horse"))
       rsethorses(r, value);
+    else {
+      int i;
+      for (i = 0; r->terrain->production[i].type; ++i) {
+        const terrain_production *production = r->terrain->production + i;
+        if (production->type==rtype) {
+          add_resource(r, 1, value, dice_rand(production->divisor), rtype);
+          break;
+        }
+      }
+    }
   }
 }