Problem/Motivation
Test are getting failed in Drupal 10.1.4-dev. Getting following error.
PHPUnit 9.6.11 by Sebastian Bergmann and contributors.
Testing
ER 2 / 2 (100%)E
Time: 00:03.408, Memory: 142.00 MB
There were 2 errors:
1) Drupal\Tests\feed_block\FunctionalJavascript\RssTypesTest::testRss
Drupal\Core\Extension\Exception\UnknownExtensionException: Unknown themes: stable.
/var/www/html/core/lib/Drupal/Core/Extension/ThemeInstaller.php:138
/var/www/html/core/lib/Drupal/Core/Test/FunctionalTestSetupTrait.php:431
/var/www/html/core/tests/Drupal/Tests/BrowserTestBase.php:556
/var/www/html/core/tests/Drupal/Tests/BrowserTestBase.php:367
/var/www/html/modules/contrib/feed_block/tests/src/FunctionalJavascript/RssTypesTest.php:36
/var/www/html/vendor/phpunit/phpunit/src/Framework/TestResult.php:728
2) Drupal\Tests\feed_block\FunctionalJavascript\RssTypesTest::testYouTube
Drupal\Core\Extension\Exception\UnknownExtensionException: Unknown themes: stable.
/var/www/html/core/lib/Drupal/Core/Extension/ThemeInstaller.php:138
/var/www/html/core/lib/Drupal/Core/Test/FunctionalTestSetupTrait.php:431
/var/www/html/core/tests/Drupal/Tests/BrowserTestBase.php:556
/var/www/html/core/tests/Drupal/Tests/BrowserTestBase.php:367
/var/www/html/modules/contrib/feed_block/tests/src/FunctionalJavascript/RssTypesTest.php:36
/var/www/html/vendor/phpunit/phpunit/src/Framework/TestResult.php:728
--
There was 1 risky test:
1) Drupal\Tests\feed_block\FunctionalJavascript\RssTypesTest::testRss
This test did not perform any assertions
/var/www/html/core/tests/Drupal/Tests/Listeners/DrupalListener.php:65
/var/www/html/vendor/phpunit/phpunit/src/Framework/TestResult.php:452
/var/www/html/vendor/phpunit/phpunit/src/Framework/TestSuite.php:684
/var/www/html/vendor/phpunit/phpunit/src/Framework/TestSuite.php:684
/var/www/html/vendor/phpunit/phpunit/src/Framework/TestSuite.php:684
/var/www/html/vendor/phpunit/phpunit/src/Framework/TestSuite.php:684
/var/www/html/vendor/phpunit/phpunit/src/TextUI/TestRunner.php:651
/var/www/html/vendor/phpunit/phpunit/src/TextUI/Command.php:144
/var/www/html/vendor/phpunit/phpunit/src/TextUI/Command.php:97
ERRORS!
Tests: 2, Assertions: 0, Errors: 2, Risky: 1.
Steps to reproduce
Run following command.
./vendor/bin/phpunit -c core/ --group feed_block
Proposed resolution
Fix the above errors.