Zabbix

.......... [DEV-1145] added integration test case for item becomes supported/not supported

* commit '2e9febea467ade41f94c06f470f426088d3d3e3f':
  .......... [DEV-1145] reduced length of detected log message
  .......... [DEV-1145] updated log message
  .......... [DEV-1145] fixed typo
  .......... [DEV-1145] fixed port configuration
  .......... [DEV-1145] reduced test case number
  .......... [DEV-1145] minor coding style fixes for testItemState integration test
  .......... [DEV-1145] moved timestamp related functions to testItemState class
  .......... [DEV-1145] minor code improvements
  .......... [DEV-1145] fixed array alignment with tabs
  .......... [DEV-1145] removed empty space
  .......... [DEV-1145] added integration test case for item becomes supported/not supported