[zanata/zanata-platform] e83856: add assertion when report files cannot be found

[GitHub]

  Branch: refs/heads/Jenkinsfile
  Home:   https://github.com/zanata/zanata-platform
  Commit: e838560580a67d2684ff41c609f360d1a0ae17ed
      https://github.com/zanata/zanata-platform/commit/e838560580a67d2684ff41c609f360d1a0ae17ed
  Author: Ding-Yi Chen <dchen at redhat.com>
  Date:   2017-03-10 (Fri, 10 Mar 2017)

  Changed paths:
    M Jenkinsfile

  Log Message:
  -----------
  add assertion when report files cannot be found