Warning: require(PHPUnit/Framework.php): failed to open stream: No such file or directory in /home/semarc6/public_html/PHPMailer_5.2.0/test/phpmailerTest.php on line 16

Fatal error: require(): Failed opening required 'PHPUnit/Framework.php' (include_path='.:/opt/cpanel/ea-php71/root/usr/share/pear') in /home/semarc6/public_html/PHPMailer_5.2.0/test/phpmailerTest.php on line 16