* add test for match on tag

* fix match crash

* fix map comparator in test

* update getNeighbor filter

* fix comments

Co-authored-by: jie.wang <38901892+jievince@users.noreply.github.com>
Co-authored-by: cpw <13495049+CPWstatic@users.noreply.github.com>
Co-authored-by: Yee <2520865+yixinglu@users.noreply.github.com>