Fixed the issue when feeds are created on non-existent field, and added a test case. Removed obselete code.
diff --git a/asterix-app/src/test/resources/metadata/testsuite.xml b/asterix-app/src/test/resources/metadata/testsuite.xml
index 74480d4..2a4eaa8 100644
--- a/asterix-app/src/test/resources/metadata/testsuite.xml
+++ b/asterix-app/src/test/resources/metadata/testsuite.xml
@@ -215,7 +215,13 @@
     <test-case FilePath="exception">
       <compilation-unit name="issue_255_create_dataset_error">
         <output-dir compare="Text">none</output-dir>
-        <expected-error>AlgebricksException</expected-error>
+        <expected-error>edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException</expected-error>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="exception">
+      <compilation-unit name="issue_255_create_feed_error">
+        <output-dir compare="Text">none</output-dir>
+        <expected-error>edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException</expected-error>
       </compilation-unit>
     </test-case>
   </test-group>