test fix

Author: ywangd

server/src/test/java/org/elasticsearch/cluster/routing/allocation/decider/RestoreInProgressAllocationDeciderTests.java

@@ -168,7 +168,8 @@ public void testCanAllocatePrimaryExistingInRestoreInProgress() {
             assertThat(
                 decision.getExplanation(),
                 startsWith(
-                    "shard has failed to be restored from the snapshot [_repository:_existing/_uuid] - manually close or delete the index "
+                    "shard has failed to be restored from the snapshot [default:_repository:_existing/_uuid]"
+                        + " - manually close or delete the index "
                         + "[test] in order to retry to restore the snapshot again or use the reroute API to force the allocation of "
                         + "an empty primary shard. Details: [restore_source[_repository/_existing], failure "
                         + "java.io.IOException: i/o failure"