update index settings

Author: ankikuma

server/src/internalClusterTest/java/org/elasticsearch/recovery/RelocationIT.java

@@ -151,7 +151,7 @@ public void testSimpleRelocationNoIndexing() {
         assertThat(clusterHealthResponse.isTimedOut(), equalTo(false));
 
         logger.info("--> relocate the shard from node1 to node2");
-        ClusterRerouteUtils.reroute(client(), new MoveAllocationCommand("test", 0, node_1, node_2));
+        updateIndexSettings(Settings.builder().put("index.routing.allocation.include._id", node_2), "test");
 
         clusterHealthResponse = clusterAdmin().prepareHealth(TEST_REQUEST_TIMEOUT)
             .setWaitForEvents(Priority.LANGUID)