fix: fix TestWindowState race test

[Yisaer]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 54.43038% with 36 lines in your changes missing coverage. Please review.
✅ Project coverage is 71.81%. Comparing base (85d4f19) to head (36d3aae).
⚠️ Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
internal/topo/node/window_inc_agg_op.go	67.19%	20 Missing and 1 partial ⚠️
internal/topo/node/window_inc_agg_event_op.go	0.00%	15 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3997      +/-   ##
==========================================
+ Coverage   71.34%   71.81%   +0.47%     
==========================================
  Files         457      460       +3     
  Lines       52899    53183     +284     
==========================================
+ Hits        37737    38190     +453     
+ Misses      12247    12047     -200     
- Partials     2915     2946      +31     

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