Zabbix

.......... [DEV-2291] added new test for problems widget

Merge in ZBX/zabbix from feature/DEV-2291-6.3 to master

* commit 'a57d089424bd25b489ef47e1df121d6cdc3f813e': (27 commits)
  .......... [DEV-2291] fixed data provider naming
  .......... [DEV-2291] deleted trailing comma
  .......... [DEV-2291] fixed after review
  .......... [DEV-2291] fixed code style
  .......... [DEV-2291] fixed formatting
  .......... [DEV-2291] added more cases
  .......... [DEV-2291] fixed overlay
  .......... [DEV-2291] deleted debug code
  .......... [DEV-2291] fixed hint check
  .......... [DEV-2291] fixed widget deletion
  .......... [DEV-2291] fixed hints checks
  .......... [DEV-2291] fixed hint
  .......... [DEV-2291] fixed hint closing vol.2
  .......... [DEV-2291] fixed hint closing
  .......... [DEV-2291] added hints checks
  .......... [DEV-2291] fixed table result check vol.4
  .......... [DEV-2291] fixed table result check vol.3
  .......... [DEV-2291] fixed table result check vol.2
  .......... [DEV-2291] fixed table result check
  .......... [DEV-2291] fixed time format
  ...

(cherry picked from commit 2f0d4dede4c552dfd7728513e1105aad821b37af)