Zabbix

.......... [ZBXNEXT-7081] added support of PHPUnit 8

* commit '10a9f7701057127e5bb97a02e632e08417636958':
  .......... [ZBXNEXT-7081] added support of phpunit 8 for UI tests
  .......... [ZBXNEXT-7081] added support of phpunit 8 for API tests