Fix admin behat tests

[dmetzner]

Fix usage of php unit Assertions in behat

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• Include the name and id of the Jira ticket in the PR’s title eg.: SHARE-666 The devils ticket
• Choose the proper base branch (develop)
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• Verify to commit no other files than the intentionally changed ones
• Include reasonable and readable tests verifying the added or changed behavior
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Additional Description

TODO: Add additional information that is not in your commit-message here

[codecov]

Codecov Report

❌ Patch coverage is 45.94595% with 20 lines in your changes missing coverage. Please review.
✅ Project coverage is 49.98%. Comparing base (90a377e) to head (b13305f).
⚠️ Report is 6 commits behind head on develop.

Files with missing lines	Patch %	Lines
...esting/Behat/Context/RefreshEnvironmentContext.php	0.00%	10 Missing ⚠️
.../Projects/SpecialProjects/FeaturedProjectAdmin.php	0.00%	9 Missing ⚠️
...m/Testing/Behat/Context/CatrowebBrowserContext.php	94.44%	1 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #6111      +/-   ##
=============================================
+ Coverage      46.97%   49.98%   +3.01%     
- Complexity      7474     7481       +7     
=============================================
  Files            722      722              
  Lines          24071    24100      +29     
=============================================
+ Hits           11307    12047     +740     
+ Misses         12764    12053     -711     

Flag	Coverage Δ
behat	47.68% <45.94%> (+3.11%)	⬆️
phpunit	10.18% <0.00%> (-0.02%)	⬇️

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