Fix tests

Author: abnegate

tests/languages/web/index.html

@@ -339,8 +339,8 @@
             console.log(Operator.arrayIntersect(["a", "b", "c"]));
             console.log(Operator.arrayDiff(["x", "y"]));
             console.log(Operator.arrayFilter(Condition.Equal, "test"));
-            console.log(Operator.concat("suffix"));
-            console.log(Operator.replace("old", "new"));
+            console.log(Operator.stringConcat("suffix"));
+            console.log(Operator.stringReplace("old", "new"));
             console.log(Operator.toggle());
             console.log(Operator.dateAddDays(7));
             console.log(Operator.dateSubDays(3));