Zabbix

.......... [DEV-4627] enabled PHPUnit warnings

* commit '7329c4f63759aa7e09078769a1b33bed1ee05e73':
  .......... [DEV-4627] removed unused annotation
  .......... [DEV-4627] added fixes regarding code review
  .......... [DEV-4627] reverted CMessageBehavior changes; fixed detect issue
  .......... [DEV-4627] removed unused namespace imports
  .......... [DEV-4627] added fixes regarding code review
  .......... [DEV-4627] reverted changes related to detect function; updated assertInlineError function (master)
  .......... [DEV-4627] added z-textarea-flexible element and related framework changes
  .......... [DEV-4627] fixed callback issues; updated element selectors; fixed issues related to detect function (cherry-pick with conflicts)
  .......... [DEV-4627] updated detect function
  .......... [DEV-4627] updated detect function; removed zbxAddWarning from CLegacyWebTest (master)
  .......... [DEV-4627] fixed coding style
  .......... [DEV-4627] fixed coding style
  .......... [DEV-4627] updated PHPUnit exception class
  .......... [DEV-4627] enabled PHPUNIT_REPORT_WARNINGS (master)