test: Integration test regex updates

[tippmar-nr]

Updates a few regex patterns used in integration tests to be a little bit less selective. Discovered during testing of the pipeline control gateway endpoint. None of the changes causes any behavioral change in the integration tests.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.80%. Comparing base (7c42b33) to head (db71e59).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2958      +/-   ##
==========================================
- Coverage   81.83%   81.80%   -0.04%     
==========================================
  Files         470      470              
  Lines       29953    29953              
  Branches     3330     3330              
==========================================
- Hits        24511    24502       -9     
- Misses       4647     4658      +11     
+ Partials      795      793       -2     

Flag	Coverage Δ
Agent	82.75% <ø> (-0.04%)	⬇️
Profiler	73.13% <ø> (ø)

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see 2 files with indirect coverage changes