fix: fix the serviceExport integrationt test

[zhiying-lin]

What type of PR is this?

/kind bug
/kind test

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #

Requirements:

• run make reviewable for basic local test
• Read and followed fleet-networking's Code of conduct.
• uses conventional commit messages
• includes documentation
• adds unit tests

How has this code been tested

Special notes for your reviewer

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.48%. Comparing base (bd7a46e) to head (cc955dc).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #217      +/-   ##
==========================================
- Coverage   78.58%   78.48%   -0.11%     
==========================================
  Files          27       27              
  Lines        3699     3699              
==========================================
- Hits         2907     2903       -4     
- Misses        638      641       +3     
- Partials      154      155       +1     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.