Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in C:\xampp73\htdocs\MonitoresCIE_C\vendor\sebastian\diff\tests\Output\AbstractChunkOutputBuilderTest.php:23
Stack trace:
#0 {main}
thrown in C:\xampp73\htdocs\MonitoresCIE_C\vendor\sebastian\diff\tests\Output\AbstractChunkOutputBuilderTest.php on line 23