Fatal error: Uncaught Error: Class 'Cake\TestSuite\TestCase' not found in /var/www/html/cake3-migration/tests/TestCase/Shell/UpgradeShellTest.php:11
Stack trace:
#0 {main}
  thrown in /var/www/html/cake3-migration/tests/TestCase/Shell/UpgradeShellTest.php on line 11