[midPoint-git] [Evolveum/midpoint] 634182: Re-add missing testng dependency

[mederly]

  Branch: refs/heads/master
  Home:   https://github.com/Evolveum/midpoint
  Commit: 634182f82611edfd4fde184baeba393bcfd49935
      https://github.com/Evolveum/midpoint/commit/634182f82611edfd4fde184baeba393bcfd49935
  Author: Pavol Mederly <mederly at evolveum.com>
  Date:   2020-01-29 (Wed, 29 Jan 2020)

  Changed paths:
    M testing/sanity/pom.xml

  Log Message:
  -----------
  Re-add missing testng dependency