Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/opcon/src/composer/vendor/phpro/soap-client/test/PhproTest/SoapClient/Unit/CodeGenerator/Assembler/FinalClassAssemblerTest.php:18 Stack trace: #0 {main} thrown in /home/opcon/src/composer/vendor/phpro/soap-client/test/PhproTest/SoapClient/Unit/CodeGenerator/Assembler/FinalClassAssemblerTest.php on line 18