test(rdb): add test for instance update node type

[jremy42]

close #2048

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 71.25%. Comparing base (fe86049) to head (8e4c3d8).
Report is 38 commits behind head on master.

❗ Current head 8e4c3d8 differs from pull request most recent head 7632df9. Consider uploading reports for the commit 7632df9 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2544      +/-   ##
==========================================
- Coverage   71.43%   71.25%   -0.19%     
==========================================
  Files         277      328      +51     
  Lines       35875    32848    -3027     
==========================================
- Hits        25628    23405    -2223     
+ Misses       8028     7173     -855     
- Partials     2219     2270      +51     

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