Added ORDER BY in a unit test.
diff --git a/query_optimizer/tests/execution_generator/Partition.test b/query_optimizer/tests/execution_generator/Partition.test
index 850a981..9d1a21f 100644
--- a/query_optimizer/tests/execution_generator/Partition.test
+++ b/query_optimizer/tests/execution_generator/Partition.test
@@ -165,23 +165,24 @@
SELECT char_col, COUNT(*)
FROM dim_4_hash_partitions
WHERE id < 0
-GROUP BY char_col;
+GROUP BY char_col
+ORDER BY char_col;
--
+--------------------+--------------------+
|char_col |COUNT(*) |
+--------------------+--------------------+
-| -3 1.732051| 1|
-| -11 3.316625| 1|
-| -19 4.358899| 1|
-| -17 4.123106| 1|
-| -15 3.872983| 1|
-| -7 2.645751| 1|
| -1 1.000000| 1|
-| -23 4.795832| 1|
+| -11 3.316625| 1|
| -13 3.605551| 1|
-| -9 3.000000| 1|
+| -15 3.872983| 1|
+| -17 4.123106| 1|
+| -19 4.358899| 1|
| -21 4.582576| 1|
+| -23 4.795832| 1|
+| -3 1.732051| 1|
| -5 2.236068| 1|
+| -7 2.645751| 1|
+| -9 3.000000| 1|
+--------------------+--------------------+
==