fix hivesterix optimizer test
diff --git a/hivesterix-dist/src/test/resources/runtimefunctionts/hive/conf/hive-default.xml b/hivesterix-dist/src/test/resources/runtimefunctionts/hive/conf/hive-default.xml
index eef4071..e24aaa7 100644
--- a/hivesterix-dist/src/test/resources/runtimefunctionts/hive/conf/hive-default.xml
+++ b/hivesterix-dist/src/test/resources/runtimefunctionts/hive/conf/hive-default.xml
@@ -55,7 +55,7 @@
 
 	<property>
 		<name>hive.algebricks.groupby.external</name>
-		<value>false</value>
+		<value>true</value>
 	</property>
 
 	<property>
diff --git a/hivesterix-dist/src/test/resources/runtimefunctionts/ignore.txt b/hivesterix-dist/src/test/resources/runtimefunctionts/ignore.txt
index e70ea78..e69de29 100644
--- a/hivesterix-dist/src/test/resources/runtimefunctionts/ignore.txt
+++ b/hivesterix-dist/src/test/resources/runtimefunctionts/ignore.txt
@@ -1 +0,0 @@
-q16
\ No newline at end of file