tests/e2e: fix ldap tests following #10270 (cherry-pick #10288)

[gcp-cherry-pick-bot]

Cherry-picked tests/e2e: fix ldap tests following #10270 (#10288)

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 50.98%. Comparing base (6c159d1) to head (28b3f72).

❗ There is a different number of reports uploaded between BASE (6c159d1) and HEAD (28b3f72). Click for more details.

HEAD has 2 uploads less than BASE

Flag	BASE (6c159d1)	HEAD (28b3f72)
unit	2	0

Additional details and impacted files

@@                 Coverage Diff                 @@
##           version-2024.6   #10703       +/-   ##
===================================================
- Coverage           92.52%   50.98%   -41.55%     
===================================================
  Files                 714      712        -2     
  Lines               35034    34771      -263     
===================================================
- Hits                32416    17727    -14689     
- Misses               2618    17044    +14426     

Flag	Coverage Δ
e2e	49.61% <ø> (+0.67%)	⬆️
integration	25.36% <ø> (ø)
unit	?

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