Zabbix

.......... [DEV-1649] updated and refactored FormAdministrationGeneral tests to new framework

Merge in ZBX/zabbix from feature/DEV-1649-5.1 to master

* commit '94c7bf8b22dbc451e1913d35a8887fed7145a1d9':
  .......... [DEV-1649] some fixes after review
  .......... [DEV-1649] optimized check value switch
  .......... [DEV-1649] fixed other params test
  .......... [DEV-1649] added some minor fixes after review
  .......... [DEV-1649] changed closed condition in overlay dialog
  .......... [DEV-1649] added correct test code after merge
  .......... [DEV-1649] refactored AdministrationGeneral tests
  .......... [DEV-1649] removed outdated test
  .......... [DEV-1649] fixed housekeeper form test, rewrote trigger options form
  .......... [DEV-1649] framework: changed waiting until present to visible in overlay close function
  .......... [DEV-1649] added cases for other params form check
  .......... [DEV-1649] fixed db names, added simple update scenario
  .......... [DEV-1649] rewrote part of other params test, improved reset defaults function
  .......... [DEV-1649] rewrote housekeeping test, improved general gui test
  .......... [DEV-1649] added scenario for checking applied settings
  .......... [DEV-1649] added reset function description and waiting after refresh
  .......... [DEV-1649] fixed test after review

(cherry picked from commit 32dfc559a4db6bd8325cd75dfc6d5bae9f1b0b2f)