Similarly to T305635, the test is failing again with this message in the error log:
10:53:22 There was 1 failure: 10:53:22 10:53:22 1) MediaWiki\Tests\Structure\SettingsTest::testCurrentSettingsValidate 10:53:22 Status should be OK 10:53:22 <Error, collected 10 error(s) on the way, no value set> 10:53:22 +------+---------------------------+------------------------------------------+ 10:53:22 | 1 | config-invalid-key | NamespaceContentModels | Skipping valida | 10:53:22 | | | tion of object with integer keys | 10:53:22 | 2 | config-invalid-key | ObjectCaches | Skipping validation of ob | 10:53:22 | | | ject with integer keys | 10:53:22 | 3 | config-invalid-key | WANObjectCaches | Skipping validation of | 10:53:22 | | | object with integer keys | 10:53:22 | 4 | config-invalid-key | CanonicalNamespaceNames | Skipping valid | 10:53:22 | | | ation of object with integer keys | 10:53:22 | 5 | config-invalid-key | ExtraNamespaces | Skipping validation of | 10:53:22 | | | object with integer keys | 10:53:22 | 6 | config-invalid-key | NamespacesWithSubpages | Skipping valida | 10:53:22 | | | tion of object with integer keys | 10:53:22 | 7 | config-invalid-key | SessionProviders | Array value found, bu | 10:53:22 | | | t an array is required | array ( 10:53:22 'Cent | 10:53:22 | | | ralAuthSessionProvider' => 10:53:22 array ( 10:53:22 | 10:53:22 | | | 'class' => 'CentralAuthSessionProvider | 10:53:22 | | | ', 10:53:22 ... | 10:53:22 | 8 | config-invalid-key | NamespaceProtection | Skipping validatio | 10:53:22 | | | n of object with integer keys | 10:53:22 | 9 | config-invalid-key | NamespacesToBeSearchedDefault | Skipping | 10:53:22 | | | validation of object with integer keys | 10:53:22 | 10 | config-invalid-key | PreviewOnOpenNamespaces | Skipping valid | 10:53:22 | | | ation of object with integer keys | 10:53:22 +------+---------------------------+------------------------------------------+ 10:53:22 10:53:22 /workspace/src/tests/phpunit/MediaWikiTestCaseTrait.php:336 10:53:22 /workspace/src/tests/phpunit/MediaWikiTestCaseTrait.php:341 10:53:22 /workspace/src/tests/phpunit/structure/SettingsTest.php:72 10:53:22 /workspace/src/tests/phpunit/MediaWikiIntegrationTestCase.php:467 10:53:22 === Logs generated by test case 10:53:22 [objectcache] [debug] MainWANObjectCache using store {class} {"class":"EmptyBagOStuff"} 10:53:22 === 10:53:22 10:53:22 FAILURES! 10:53:22 Tests: 24770, Assertions: 80930, Failures: 1, Skipped: 90.