fix test reason assertion.

Signed-off-by: Marc Handalian <[email protected]>

server/src/test/java/org/opensearch/indices/replication/SegmentReplicationTargetServiceTests.java

@@ -620,6 +620,7 @@ public void testForceSegmentSyncHandlerWithFailure_AlreadyClosedException_swallo
     }
 
     public void testTargetCancelledBeforeStartInvoked() {
+        final String cancelReason = "test";
         final SegmentReplicationTarget target = new SegmentReplicationTarget(
             replicaShard,
             primaryShard.getLatestReplicationCheckpoint(),
@@ -634,11 +635,11 @@ public void onReplicationDone(SegmentReplicationState state) {
                 public void onReplicationFailure(SegmentReplicationState state, ReplicationFailedException e, boolean sendShardFailure) {
                     // failures leave state object in last entered stage.
                     assertEquals(SegmentReplicationState.Stage.INIT, state.getStage());
-                    assertEquals("Cancelled by local shutdown", e.getMessage());
+                    assertEquals(cancelReason, e.getMessage());
                 }
             }
         );
-        target.cancel("test");
+        target.cancel(cancelReason);
         sut.startReplication(target);
     }