Zabbix

........S. [DEV-4949] fixed memory allocation size for binary items on MySQL/MariaDB

* commit 'de72d5e9cc3bdf5528db380f59ab12844759d88a':
  .......... [DEV-4949] removed sleep
  .......... [DEV-4949] changed test name, comment added
  ........S. [DEV-4949] added integration test
  ........S. [DEV-4949] fixed binary item possible server crash on MySQL/MariaDB