Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in /opt/lampp/htdocs/myhospitalnow/mhn-hospital-ms/vendorback/doctrine/lexer/tests/Doctrine/Common/Lexer/AbstractLexerTest.php:5 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/myhospitalnow/mhn-hospital-ms/vendorback/doctrine/lexer/tests/Doctrine/Common/Lexer/AbstractLexerTest.php on line 5