Fix optimzer tests to work with DISTRIBUTE_RESULT operator.

git-svn-id: https://asterixdb.googlecode.com/svn/branches/asterix_stabilization_result_distribution@1366 eaa15691-b419-025a-1212-ee371bd00084
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-25.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-25.plan
index 04e0a6c..50b1c04 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-25.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-25.plan
@@ -1,4 +1,4 @@
--- SINK_WRITE  |PARTITIONED|
+-- DISTRIBUTE_RESULT  |PARTITIONED|
   -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
     -- STREAM_PROJECT  |PARTITIONED|
       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|