message: update hierarchy test
diff: @@ -1601,7 +1601,7 @@ export class DocumentTree {
  client.getClientId());
  prevPos = endRowPos;
  }
  - let tilePos = client.mergeTree.findTile(prevPos, client.getClientId(), "pg", false);
  + let tilePos = client.mergeTree.findTile(prevPos+1, client.getClientId(), "pg", false);
  if (tilePos) {
  if (tilePos.pos !== pos) {
  errorCount++;
  