[SPARK-17015][SQL] group-by/order-by ordinal and arithmetic tests

## What changes were proposed in this pull request?
This patch adds three test files:
1. arithmetic.sql.out
2. order-by-ordinal.sql
3. group-by-ordinal.sql

This includes https://github.com/apache/spark/pull/14594.

## How was this patch tested?
This is a test case change.

Author: petermaxlee <petermaxlee@gmail.com>

Closes #14595 from petermaxlee/SPARK-17015.