Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in D:\htdocs\SuiteCRM\tmp\package\upgrade\SuiteCRM-8.9.1-extracted\vendor\ezimuel\guzzlestreams\tests\BufferStreamTest.php:8 Stack trace: #0 {main} thrown in D:\htdocs\SuiteCRM\tmp\package\upgrade\SuiteCRM-8.9.1-extracted\vendor\ezimuel\guzzlestreams\tests\BufferStreamTest.php on line 8