Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/blskysoftware/public_html/migration/vendor/doctrine/lexer/tests/AbstractLexerTest.php:18 Stack trace: #0 {main} thrown in /home/blskysoftware/public_html/migration/vendor/doctrine/lexer/tests/AbstractLexerTest.php on line 18