fix(spd): baseline checking

[cheney-lin]

What type of PR is this?

Bug fixes

What this PR does / why we need it:

Which issue(s) this PR fixes:

Special notes for your reviewer:

[codecov]

Codecov Report

Attention: 9 lines in your changes are missing coverage. Please review.

Comparison is base (1d2526f) 53.43% compared to head (9465d3d) 53.46%.
Report is 3 commits behind head on main.

Files	Patch %	Lines
...visor/plugin/metric-emitter/syncer/node/advisor.go	0.00%	5 Missing ⚠️
...g/util/service-discovery/service_single_port_sd.go	60.00%	1 Missing and 3 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #393      +/-   ##
==========================================
+ Coverage   53.43%   53.46%   +0.03%     
==========================================
  Files         439      444       +5     
  Lines       48419    48807     +388     
==========================================
+ Hits        25874    26096     +222     
- Misses      19608    19767     +159     
- Partials     2937     2944       +7     

Flag	Coverage Δ
unittest	53.46% <47.05%> (+0.03%)	⬆️

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