Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in D:\htdocs\SuiteCRM\vendor\ezimuel\guzzlestreams\tests\AppendStreamTest.php:9 Stack trace: #0 {main} thrown in D:\htdocs\SuiteCRM\vendor\ezimuel\guzzlestreams\tests\AppendStreamTest.php on line 9