Fix tests

[arodu]

• fix some tests
• add CI tests for php 8.1

[codecov-commenter]

Codecov Report

Merging #66 (c0e9fac) into 6.next-cake4 (803bbe9) will not change coverage.
The diff coverage is 100.00%.

@@               Coverage Diff               @@
##             6.next-cake4      #66   +/-   ##
===============================================
  Coverage           90.37%   90.37%           
  Complexity            323      323           
===============================================
  Files                  46       46           
  Lines                 800      800           
===============================================
  Hits                  723      723           
  Misses                 77       77           

Impacted Files	Coverage Δ
src/Authentication/AuthenticationService.php	98.11% <ø> (ø)
...on/DefaultOneTimePasswordAuthenticationChecker.php	100.00% <ø> (ø)
...Authentication/DefaultU2fAuthenticationChecker.php	100.00% <ø> (ø)
...ication/DefaultWebauthn2fAuthenticationChecker.php	100.00% <ø> (ø)
src/Rbac/Rbac.php	100.00% <100.00%> (ø)

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[steinkel]

Please fix coding standard issues reported