Zabbix

.......... [DEV-4268] added dashboard access tests for user groups and roles

* commit '972a647143acd56abf5a47f897743ffb55d7597d':
  .......... [DEV-4268] fixed minor coding style issues
  .......... [DEV-4268] fixed typo, added scenarios for guest user
  .......... [DEV-4268] added test scenarios with guest user, fixed the code after 2nd review
  .......... [DEV-4268] removed not needed require_once
  .......... [DEV-4268] removed same dataproviders data and added one more check to sharing scenario
  .......... [DEV-4268] fixed typo
  .......... [DEV-4268] fixed code typos, added sharing scenarios for public dashboards
  .......... [DEV-4268] added additional test scenarios for dashboard sharing
  .......... [DEV-4268] fixed the code after 1st review
  .......... [DEV-4268] supplemented the backup function and corrected the comments
  .......... [DEV-4268] fixed typo
  .......... [DEV-4268] fixed typo
  .......... [DEV-4268] added dashboard sharing checks, URL access
  .......... [DEV-4268] added test preparation and host list check
  .......... [DEV-4268] reverted changes in testDashboardsUserPermissions, added new class with prepareData function
  .......... [DEV-4268] added new host dashboard

(cherry picked from commit 07be6d550f59b1ff208df64e8ed02543887f16ee)