127.0.0.1       localhost
127.0.0.1       test.com
127.0.0.1       example.com

<VirtualHost *:80>
    DocumentRoot C:/xampp/htdocs/test/
    ServerName www.test.com
</VirtualHost>
<VirtualHost *:80>
    DocumentRoot C:/xampp/htdocs/example/
    ServerName www.example.com
</VirtualHost>

#Virtual hosts
Include conf/extra/httpd-vhosts.conf

www.example.com or www.test.com