Zabbix

.......... [DEV-2507] reworked Network Discovery form test

Merge in ZBX/zabbix from feature/DEV-2507-6.5 to master

* commit 'a748f8c792c60d5c494d4594ce71a31fe14b9629': (31 commits)
  .......... [DEV-2507] fixed drules page test
  .......... [DEV-2507] fixed data source
  .......... [DEV-2507] fixed proxy test
  .......... [DEV-2507] fixed proxy data provider
  .......... [DEV-2507] fixed proxy test
  .......... [DEV-2507] fixed proxy page test
  .......... [DEV-2507] removed todos
  .......... [DEV-2507] uncommented suppressed data providers
  .......... [DEV-2507] fixed proxy tests
  .......... [DEV-2507] fixed data
  .......... [DEV-2507] minor code fixes
  .......... [DEV-2507] fixed data provider
  .......... [DEV-2507] removed trailing comma
  .......... [DEV-2507] fixed after review vol.7
  .......... [DEV-2507] added action check dependency check
  .......... [DEV-2507] fixed after review vol.6
  .......... [DEV-2507] returned old click by name
  .......... [DEV-2507] fixed after review vol.5
  .......... [DEV-2507] added duplicated checks cases
  .......... [DEV-2507] added simple update case
  ...