Use OrderBy in a string pattern test.
diff --git a/query_optimizer/tests/execution_generator/StringPatternMatching.test b/query_optimizer/tests/execution_generator/StringPatternMatching.test
index de69aa6..122deeb 100644
--- a/query_optimizer/tests/execution_generator/StringPatternMatching.test
+++ b/query_optimizer/tests/execution_generator/StringPatternMatching.test
@@ -144,7 +144,8 @@
 SELECT name, email, organization
 FROM foo, bar
 WHERE email LIKE pattern
-  AND name NOT LIKE 'd%';
+  AND name NOT LIKE 'd%'
+ORDER BY name ASC;
 --
 +------------------------+------------------------+------------------------+
 |name                    |email                   |organization            |