checkpoint: added more aggregate test cases
diff --git a/asterix-app/src/test/resources/runtimets/testsuite.xml b/asterix-app/src/test/resources/runtimets/testsuite.xml
index 1b9946e..a8cdf5e 100644
--- a/asterix-app/src/test/resources/runtimets/testsuite.xml
+++ b/asterix-app/src/test/resources/runtimets/testsuite.xml
@@ -1,6 +1,39 @@
 <test-suite xmlns="urn:xml.testframework.asterix.ics.uci.edu" ResultOffsetPath="results" QueryOffsetPath="queries" QueryFileExtension=".aql">
   <test-group name="aggregate">
     <test-case FilePath="aggregate">
+      <compilation-unit name="agg_null">
+        <output-dir compare="Text">agg_null</output-dir>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="aggregate">
+      <compilation-unit name="agg_null_rec">
+        <output-dir compare="Text">agg_null_rec</output-dir>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="aggregate">
+      <compilation-unit name="avg_mixed">
+        <output-dir compare="Text">avg_mixed</output-dir>
+        <expected-error>edu.uci.ics.asterix.common.exceptions.AsterixException</expected-error>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="aggregate">
+      <compilation-unit name="sum_mixed">
+        <output-dir compare="Text">sum_mixed</output-dir>
+        <expected-error>edu.uci.ics.asterix.common.exceptions.AsterixException</expected-error>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="aggregate">
+      <compilation-unit name="min_mixed">
+        <output-dir compare="Text">min_mixed</output-dir>
+        <expected-error>edu.uci.ics.asterix.common.exceptions.AsterixException</expected-error>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="aggregate">
+      <compilation-unit name="agg_number">
+        <output-dir compare="Text">agg_number</output-dir>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="aggregate">
       <compilation-unit name="issue425_min_hetero_list_1">
         <output-dir compare="Text">issue425_min_hetero_list_1</output-dir>
       </compilation-unit>