PHPUnit 10.5.32 by Sebastian Bergmann and contributors.

Runtime:       PHP 8.3.6
Configuration: /var/www/html/dev/tests/static/phpunit.xml

F                                                                   1 / 1 (100%)

Time: 00:00.206, Memory: 10.00 MB

There was 1 failure:

1) Magento\Test\Less\LiveCodeTest::testCodeStyle
PHP Code Sniffer detected 1 violation(s): 

FILE: /var/www/html/app/design/adminhtml/Magento/spectrum/web/css/source/variables/_data-grid.less
--------------------------------------------------------------------------------------------------
FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
--------------------------------------------------------------------------------------------------
  | WARNING | Copyright is missing or Copyright content/year is not valid
--------------------------------------------------------------------------------------------------



Failed asserting that 1 matches expected 0.

/var/www/html/dev/tests/static/testsuite/Magento/Test/Less/LiveCodeTest.php:52

FAILURES!
Tests: 1, Assertions: 1, Failures: 1.