Not sure if this is related issue i got wen i manually tried running file wit...

Not sure if this is related issue i got wen i manually tried running file with phpunit.

lenovo@lenovo-ThinkPad-L450:/var/www/html/core_drupal$ vendor/bin/phpunit -c core core/modules/system/tests/src/Functional/FileTransfer/TestFileTransfer.php
PHP Warning: Class 'PHPUnit\Framework\MockObject\Matcher\InvokedRecorder' not found in /var/www/html/core_drupal/core/tests/bootstrap.php on line 197
PHP Warning: Class 'Drupal\TestTools\PhpUnitCompatibility\PhpUnit8\HtmlOutputPrinter' not found in /var/www/html/core_drupal/core/tests/Drupal/Tests/Listeners/HtmlOutputPrinter.php on line 15
PHPUnit 8.5.2 by Sebastian Bergmann and contributors.

Could not use "\Drupal\Tests\Listeners\HtmlOutputPrinter" as printer: class does not exist