Included the sub-query.iq in CoreQuidemTest2

Author: silundong

core/src/test/java/org/apache/calcite/test/CoreQuidemTest2.java

@@ -46,7 +46,6 @@ public static void main(String[] args) throws Exception {
 
     // TODO: Support measure
     paths.remove("sql/measure.iq");
-    paths.remove("sql/sub-query.iq");
     return paths;
   }