[14-Sep-2020 19:45:53 UTC] PHP Fatal error:  Class 'SwiftMailerTestCase' not found in /home/spring17/public_html/xiaomigrate/vendor/swiftmailer/swiftmailer/tests/unit/Swift/Signers/OpenDKIMSignerTest.php on line 6
[15-Sep-2020 09:57:55 UTC] PHP Fatal error:  Class 'SwiftMailerTestCase' not found in /home/spring17/public_html/xiaomigrate/vendor/swiftmailer/swiftmailer/tests/unit/Swift/Signers/DKIMSignerTest.php on line 5
[17-Sep-2020 04:24:32 UTC] PHP Fatal error:  Class 'PHPUnit\Framework\TestCase' not found in /home/spring17/public_html/xiaomigrate/vendor/swiftmailer/swiftmailer/tests/unit/Swift/Signers/SMimeSignerTest.php on line 3
