Zabbix

.......... [DEV-2341] added new Selenium tests for URL widget

Merge in ZBX/zabbix from feature/DEV-2341-5.0 to release/5.0

* commit '30d3e023d08216df3b4ebfee21675a93ca6787c9':
  .......... [DEV-2341] added fix for header selector
  .......... [DEV-2341] added mouse hover function
  .......... [DEV-2341] Selenium tests, added fixes regarding code review
  .......... [DEV-2341] added tabs
  .......... [DEV-2341] Selenium tests, fixed expected refresh interval in 5.0 branch
  .......... [DEV-2341] Selenium tests, added fixes regarding code review in 5.0 branch
  .......... [DEV-2341] fixed url widget test, added timeout, strict parameter to message element, changed dashboard save method
  .......... [DEV-2341] Selenium tests, added fixes regarding code review in 5.0 branch
  .......... [DEV-2341] Selenium tests, added fixes regarding code review in 5.0 branch
  .......... [DEV-2341] added check that element is not present
  .......... [DEV-2341] added new test cases for check URI schemes and frame configuration options
  .......... [DEV-2341] added new Selenium tests for 'URL' widget