Optimize after adding so that indexes are comparable between solr versions

git-svn-id: https://svn.apache.org/repos/asf/incubator/lcf/integration/solr-4.x/trunk@1211920 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/mcf/src/test/org/apache/solr/mcf/ManifoldCFSCLoadTest.java b/mcf/src/test/org/apache/solr/mcf/ManifoldCFSCLoadTest.java
index 660c91b..2ebc51d 100644
--- a/mcf/src/test/org/apache/solr/mcf/ManifoldCFSCLoadTest.java
+++ b/mcf/src/test/org/apache/solr/mcf/ManifoldCFSCLoadTest.java
@@ -67,6 +67,7 @@
       i++;
     }
     assertU(commit());
+    assertU(optimize());
   }
 
   @AfterClass