[cleanup] Mark unused files

test/swftests.unused/ConstantInt.as

@@ -0,0 +1,12 @@
+// input: []
+// output: 2
+
+package {
+public class ConstantInt {
+	private static const x:int = 2;
+
+    public static function main():int{
+        return x;
+    }
+}
+}