UnexpectedValueException from line 282 of /workspace/src/includes/db/MWLBFactory.php: $wgDBprefix is set to 'unittest_' but the database type is 'postgres'. MediaWiki does not support using a table prefix with this RDBMS type.
23:54:10 Backtrace:
23:54:10 #0 /workspace/src/includes/db/MWLBFactory.php(267): MWLBFactory::reportIfPrefixSet(string, string)
23:54:10 #1 /workspace/src/includes/db/MWLBFactory.php(156): MWLBFactory::assertValidServerConfigs(array, string, string)
23:54:10 #2 /workspace/src/includes/ServiceWiring.php(190): MWLBFactory::applyDefaultConfig(array, MediaWiki\Config\ServiceOptions, ConfiguredReadOnlyMode, APCUBagOStuff, HashBagOStuff, WANObjectCache)
23:54:10 #3 /workspace/src/includes/libs/services/ServiceContainer.php(442): Wikimedia\Services\ServiceContainer->{closure}(MediaWiki\MediaWikiServices)
23:54:10 #4 /workspace/src/includes/libs/services/ServiceContainer.php(421): Wikimedia\Services\ServiceContainer->createService(string)
23:54:10 #5 /workspace/src/includes/MediaWikiServices.php(563): Wikimedia\Services\ServiceContainer->getService(string)
23:54:10 #6 /workspace/src/includes/ServiceWiring.php(84): MediaWiki\MediaWikiServices->getDBLoadBalancerFactory()
23:54:10 #7 /workspace/src/includes/libs/services/ServiceContainer.php(442): Wikimedia\Services\ServiceContainer->{closure}(MediaWiki\MediaWikiServices)
23:54:10 #8 /workspace/src/includes/libs/services/ServiceContainer.php(421): Wikimedia\Services\ServiceContainer->createService(string)
23:54:10 #9 /workspace/src/includes/MediaWikiServices.php(442): Wikimedia\Services\ServiceContainer->getService(string)
23:54:10 #10 /workspace/src/includes/ServiceWiring.php(756): MediaWiki\MediaWikiServices->getBlobStoreFactory()
23:54:10 #11 /workspace/src/includes/libs/services/ServiceContainer.php(442): Wikimedia\Services\ServiceContainer->{closure}(MediaWiki\MediaWikiServices)
23:54:10 #12 /workspace/src/includes/libs/services/ServiceContainer.php(421): Wikimedia\Services\ServiceContainer->createService(string)
23:54:10 #13 /workspace/src/includes/MediaWikiServices.php(434): Wikimedia\Services\ServiceContainer->getService(string)
23:54:10 #14 /workspace/src/tests/phpunit/unit/includes/MediaWikiServicesTest.php(297): MediaWiki\MediaWikiServices->getBlobStore()
23:54:10 #15 [internal function]: MediaWikiServicesTest->testGetters(string, string, boolean)
23:54:10 #16 /workspace/src/vendor/phpunit/phpunit/src/Framework/TestCase.php(1071): ReflectionMethod->invokeArgs(MediaWikiServicesTest, array)
23:54:10 #17 /workspace/src/vendor/phpunit/phpunit/src/Framework/TestCase.php(939): PHPUnit\Framework\TestCase->runTest()
23:54:10 #18 /workspace/src/vendor/phpunit/phpunit/src/Framework/TestResult.php(698): PHPUnit\Framework\TestCase->runBare()
23:54:10 #19 /workspace/src/vendor/phpunit/phpunit/src/Framework/TestCase.php(894): PHPUnit\Framework\TestResult->run(MediaWikiServicesTest)
23:54:10 #20 /workspace/src/vendor/phpunit/phpunit/src/Framework/TestSuite.php(755): PHPUnit\Framework\TestCase->run(MediaWikiTestResult)
23:54:10 #21 /workspace/src/vendor/phpunit/phpunit/src/Framework/TestSuite.php(755): PHPUnit\Framework\TestSuite->run(MediaWikiTestResult)
23:54:10 #22 /workspace/src/vendor/phpunit/phpunit/src/Framework/TestSuite.php(755): PHPUnit\Framework\TestSuite->run(MediaWikiTestResult)
23:54:10 #23 /workspace/src/vendor/phpunit/phpunit/src/Framework/TestSuite.php(755): PHPUnit\Framework\TestSuite->run(MediaWikiTestResult)
23:54:10 #24 /workspace/src/vendor/phpunit/phpunit/src/TextUI/TestRunner.php(545): PHPUnit\Framework\TestSuite->run(MediaWikiTestResult)
23:54:10 #25 /workspace/src/vendor/phpunit/phpunit/src/TextUI/Command.php(195): PHPUnit\TextUI\TestRunner->doRun(PHPUnit\Framework\TestSuite, array, boolean)
23:54:10 #26 /workspace/src/tests/phpunit/phpunit.php(90): PHPUnit\TextUI\Command->run(array, boolean)
23:54:10 #27 /workspace/src/maintenance/doMaintenance.php(99): PHPUnitMaintClass->execute()
23:54:10 #28 /workspace/src/tests/phpunit/phpunit.php(129): require(string)
23:54:10 #29 {main}