Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\AppServ\Apache\2.4.69\htdocs\isha_security\tests\Unit\ThermalExportSupportTest.php:9 Stack trace: #0 {main} thrown in C:\AppServ\Apache\2.4.69\htdocs\isha_security\tests\Unit\ThermalExportSupportTest.php on line 9