I have tested this item 🔴 unsuccessfully on fa47705

Tested with JBT, PHP 8.5.0RC2

• Before the PR seen 76 ReflectionMethod::setAccessible() is deprecated
• Applied PR by gh pr checkout 46310 and running composer i
  • ❌ There are still 53 ReflectionMethod::setAccessible() is deprecated - With regard to the test instructions, this causes the test to fail.
    • Remaining places are

      administrator/components/com_scheduler/src/Traits/TaskPluginTrait.php
      tests/Unit/Libraries/Cms/Feed/FeedFactoryTest.php
      tests/Unit/Libraries/Cms/Feed/Parser/AtomParserTest.php
      tests/Unit/Libraries/Cms/Feed/Parser/RssParserTest.php
      tests/Unit/Libraries/Cms/Microdata/MicrodataTest.php
      tests/Unit/Libraries/Cms/Updater/ConstraintCheckerTest.php
      tests/Unit/Libraries/Cms/Updater/TufAdapterTest.php
      

  • ℹ️ And there are another 24 different deprecations

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    _{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/46310.}

@muhme Remaining deprecation should be fixed after 5.4-dev upmerge - fixed in #46202

Thanks, I've updated the testing instructions.

I have tested this item ✅ successfully on fa47705

Retested after changed test description with JBT, PHP 8.5.0RC2

• Before the PR seen 23 ReflectionMethod::setAccessible() is deprecated from libraries/vendor/joomla/test/src/TestHelper.php
• Applied PR by gh pr checkout 46310 and running composer i
• ✅ No more ReflectionMethod::setAccessible() is deprecated from libraries/vendor/joomla/test/src/TestHelper.php file
• ℹ️ There are still 77 deprecation messages, including 53 ReflectionMethod::setAccessible()

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  _{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/46310.}