[cleanup] Mark unused files

test/swftests.unused/DictCall.as

@@ -0,0 +1,10 @@
+// input: [{"x": 1, "y": 2}]
+// output: 3
+
+package {
+public class DictCall {
+    public static function main(d:Object):int{
+        return d.x + d.y;
+    }
+}
+}