Zabbix

.......... [DEV-2400] added new tests scenarios for Scripts page

Merge in ZBX/zabbix from feature/DEV-2400-6.3 to release/6.4

* commit '658de292dd1b08aaf6fd8bd637fd815a5c9035e1':
  .......... [DEV-2400] Selenium tests, fixed code style
  .......... [DEV-2400] Selenium tests, fixed assert for delete test
  .......... [DEV-2400] simplified test code and fixed table trait function
  .......... [DEV-2400] Selenium tests, added fixes regarding code review
  .......... [DEV-2400] added query method for element collection
  .......... [DEV-2400] Selenium tests, fixed code style and comment
  .......... [DEV-2400] Selenium tests, additional fixes for testPageAlertsScripts_Delete scenario
  .......... [DEV-2400] Selenium tests, added custom script with linked action + tests refactoring
  .......... [DEV-2400] Selenium tests, added new test scenarios
  .......... [DEV-2400] Selenium tests, added new test scenarios
  .......... [DEV-2400] Selenium tests, added new folder and moved related tests