Fix for ASTERIXDB-1291: added regression tests.

Change-Id: I1c8bbaf2522d421dff9a22af28c160f406dd2888
Reviewed-on: https://asterix-gerrit.ics.uci.edu/623
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Wenhai Li <lwhaymail@yahoo.com>
Reviewed-by: Taewoo Kim <wangsaeu@gmail.com>
diff --git a/asterix-app/src/test/resources/runtimets/testsuite_sqlpp.xml b/asterix-app/src/test/resources/runtimets/testsuite_sqlpp.xml
index ba36184..7f3fa95 100644
--- a/asterix-app/src/test/resources/runtimets/testsuite_sqlpp.xml
+++ b/asterix-app/src/test/resources/runtimets/testsuite_sqlpp.xml
@@ -4951,6 +4951,13 @@
             </compilation-unit>
         </test-case>
     </test-group>
+    <test-group name="subquery">
+        <test-case FilePath="subquery">
+            <compilation-unit name="gby_inline">
+                <output-dir compare="Text">gby_inline</output-dir>
+            </compilation-unit>
+        </test-case>
+    </test-group>
     <test-group name="subset-collection">
         <test-case FilePath="subset-collection">
             <compilation-unit name="01">