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|
 +--------------------+--------------------+
 ==