Zabbix

.......... [ZBXNEXT-9533] added integration test for configuration parameters with variables

* commit 'ca89e7f5356f1fb9f5deeaa0b06946c97e20d731':
  .......... [ZBXNEXT-9533] fixed minor coding style
  .......... [ZBXNEXT-9533] fixed picking errors
  .......... [ZBXNEXT-9533] improved integration tests after code review
  .......... [ZBXNEXT-9533] added test case for invalid variable names
  .......... [ZBXNEXT-9533] fixed php syntax check errors
  .......... [ZBXNEXT-9533] fixed php syntax check errors
  .......... [ZBXNEXT-9533] added test for variable names
  .......... [ZBXNEXT-9533] fixed typo in testConfigVariables test
  .......... [ZBXNEXT-9533] added integration test for server and proxy
  .......... [ZBXNEXT-9533] added integration test for configuration parameters with variables manually picked and fixed conflicts