I did the test and this test was the result
Provided by Plugin Planet
Warning: get_headers(): SSL operation failed with code 1. OpenSSL Error messages: error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed in /Applications/XAMPP/xamppfiles/htdocs/memespty/wp-content/plugins/server-test/server-test.php on line 26
Warning: get_headers(): Failed to enable crypto in /Applications/XAMPP/xamppfiles/htdocs/memespty/wp-content/plugins/server-test/server-test.php on line 26
Warning: get_headers(https://plugin-planet.com/gateway/): failed to open stream: operation failed in /Applications/XAMPP/xamppfiles/htdocs/memespty/wp-content/plugins/server-test/server-test.php on line 26
This simple test checks to see if your site can make an outgoing HTTP request.
wp_remote_post()