test: Add sipi auth tests for knora.json (NO-Ticket)

[seakayone]

Pull Request Checklist

Task Description/Number

Issue Number: DEV-

Basic Requirements

Please check if your PR fulfills the following requirements:

• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• fix: represents bug fixes
• refactor: represents production code refactoring
• feat: represents a new feature
• docs: documentation changes (no production code change)
• chore: maintenance tasks (no production code change)
• test: all about tests: adding, refactoring tests (no production code change)
• other... Please describe:

Does this PR introduce a breaking change?

• Yes
• No
• Maybe (not 100% sure => check with FE)

Does this PR change client-test-data?

• Yes (don't forget to update the JS-LIB team about the change)
• No

[codecov]

Codecov Report

Patch coverage: 61.92% and project coverage change: +64.48 🎉

Comparison is base (ee3cddc) 17.89% compared to head (54dc82b) 82.38%.

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #2711       +/-   ##
===========================================
+ Coverage   17.89%   82.38%   +64.48%     
===========================================
  Files         277      279        +2     
  Lines       28855    28936       +81     
===========================================
+ Hits         5165    23838    +18673     
+ Misses      23690     5098    -18592     

Impacted Files	Coverage Δ
...esponder/standoffmessages/StandoffMessagesV2.scala	54.16% <0.00%> (+44.51%)	⬆️
...knora/webapi/responders/v1/ValuesResponderV1.scala	91.09% <ø> (+89.96%)	⬆️
...ra/webapi/responders/v2/ResourcesResponderV2.scala	88.26% <ø> (+86.99%)	⬆️
...knora/webapi/responders/v2/SearchResponderV2.scala	91.81% <ø> (+85.40%)	⬆️
...ora/webapi/responders/v2/StandoffResponderV2.scala	86.21% <ø> (+82.97%)	⬆️
.../slice/admin/api/model/ProjectExportResponse.scala	0.00% <0.00%> (ø)
...slice/admin/domain/service/ProjectADMService.scala	96.77% <0.00%> (-3.23%)	⬇️
...a/webapi/store/iiif/impl/IIIFServiceSipiImpl.scala	50.74% <ø> (+50.00%)	⬆️
...ice/admin/api/service/ProjectsADMRestService.scala	60.00% <7.69%> (-17.78%)	⬇️
...rg/knora/webapi/routing/admin/ProjectsRouteZ.scala	90.65% <14.28%> (-4.50%)	⬇️
... and 21 more

... and 172 files with indirect coverage changes

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[mpro7]

Just wonder if this test description could/should be in one suite, since there is only on test here?