- QueryException for malformed/failing queries 
- debugging align operator, still work to do for complex aligns (e.g. embedded in cq_disj_segments)
diff --git a/src/test/java/MetaQuerySerializationTest.java b/src/test/java/MetaQuerySerializationTest.java
index f9a13cf..a1c1879 100644
--- a/src/test/java/MetaQuerySerializationTest.java
+++ b/src/test/java/MetaQuerySerializationTest.java
@@ -3,6 +3,8 @@
 import com.fasterxml.jackson.databind.JsonMappingException;
 import de.ids_mannheim.korap.query.serialize.QuerySerializer;
 import de.ids_mannheim.korap.query.serialize.MetaQuery;
+import de.ids_mannheim.korap.util.QueryException;
+
 import org.joda.time.DateTime;
 import org.junit.Assert;
 import org.junit.Test;
@@ -83,7 +85,7 @@
     }
 
     @Test
-    public void testGenerator() {
+    public void testGenerator() throws QueryException {
                    /*
          * just for testing...
 		 */