Problem/Motivation
Test was added by #2972573: randomMachineName() should conform to processMachineName() pattern.
Drupal\Tests\Component\Utility\RandomTest
exception: [Other] Line 0 of sites/default/files/simpletest/phpunit-732.xml:
PHPUnit Test failed to complete; Error: PHPUnit 9.6.8 by Sebastian Bergmann and contributors.
Testing Drupal\Tests\Component\Utility\RandomTest
......E..... 12 / 12 (100%)
Time: 00:00.028, Memory: 4.00 MB
There was 1 error:
1) Drupal\Tests\Component\Utility\RandomTest::testRandomMachineNamesUniqueness
RuntimeException: Unable to generate a unique random machine name
/var/www/html/core/lib/Drupal/Component/Utility/Random.php:169
/var/www/html/core/tests/Drupal/Tests/Component/Utility/RandomTest.php:127
/var/www/html/vendor/phpunit/phpunit/src/Framework/TestResult.php:728
/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
https://www.drupal.org/pift-ci-job/2723487