Zabbix

.......... [DEV-4899] edited Selenium tests accordingly to changes in setup.php view

Merge in ZBX/zabbix from feature/DEV-4899-7.5 to feature/ZBXNEXT-10243-7.5

* commit '752d910f8f96eb3adf2d69b9fb0164b45d037abc':
  .......... [DEV-4899] removed commented code
  .......... [DEV-4899] removed debug code and added removal of config file after cases that create this file
  .......... [DEV-4899] fixed debug code to return content of correct directory
  .......... [DEV-4899] added debug code to see content of conf directory
  .......... [DEV-4899] added accidently deleted symbol
  .......... [DEV-4899] deleted non existant button checks
  .......... [DEV-4899] deleted conf file before testFormSetup tests