Zabbix

.......... [DEV-2424] added new Selenium autotests for host and template groups page

Merge in ZBX/zabbix from feature/DEV-2424-6.3 to master

* commit '8314f97f70e663e7aa2b5f6f5f8e93fc92541c66':
  .......... [DEV-2424] added close for filter dropdown in test
  .......... [DEV-2424] removed 'true' for click
  .......... [DEV-2424] fixed delay value for lld
  .......... [DEV-2424] renamed method, added return and fixed code
  .......... [DEV-2424] fixed tests after update to the latest master
  .......... [DEV-2424] added filter element context
  .......... [DEV-2424] added getFilterType in filter element
  .......... [DEV-2424] added new methods to  CFilterElement
  .......... [DEV-2424] changed CFilterElement
  .......... [DEV-2424] fixed trailing comma
  .......... [DEV-2424] added new lines and fixed typo
  .......... [DEV-2424] fixed script page tests
  .......... [DEV-2424] fixed tests and table trait
  .......... [DEV-2424] fixed formatting and naming
  .......... [DEV-2424] added all groups select and changed count in delete test
  .......... [DEV-2424] fixed related tests of groups data source
  .......... [DEV-2424] fixed table trait function
  .......... [DEV-2424] fixed test data and naming
  .......... [DEV-2424] added new test for groups page