Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /usr/home/zxcv/domains/vtm-lv.null.yt/public_html/bookstack/vendor/ssddanbrown/htmldiff/tests/MultiByteTest.php:6
Stack trace:
#0 {main}
  thrown in /usr/home/zxcv/domains/vtm-lv.null.yt/public_html/bookstack/vendor/ssddanbrown/htmldiff/tests/MultiByteTest.php on line 6