Fatal error: Uncaught Error: Class 'PHP_CodeSniffer\Tests\Core\AbstractMethodUnitTest' not found in /home/devgrafix/public_html/roomadmin/vendor/squizlabs/php_codesniffer/tests/Core/Tokenizer/NullsafeObjectOperatorTest.php:15 Stack trace: #0 {main} thrown in /home/devgrafix/public_html/roomadmin/vendor/squizlabs/php_codesniffer/tests/Core/Tokenizer/NullsafeObjectOperatorTest.php on line 15