Zabbix

.......... [ZBXNEXT-4428] added skipping of cmocka tests if system lacks necessary MIB files

Merge in ZBX/zabbix from feature/ZBXNEXT-4428-6.3-cmocka-mib to master

* commit '0a8fd2fd952254f839bfb562a3e80530c804dcff':
  .......... [ZBXNEXT-4428] cmocka tests will be skipped if system lacks necessary MIB files