[xmlunit/xmlunit] c80803: after_success script cannot make the build fail

[Stefan B. <no...@gi...>]

  Branch: refs/heads/master
  Home:   https://github.com/xmlunit/xmlunit
  Commit: c808035afa60b0d8e4e815bfe0a57d5af55575d3
      https://github.com/xmlunit/xmlunit/commit/c808035afa60b0d8e4e815bfe0a57d5af55575d3
  Author: Stefan Bodewig <ste...@fr...>
  Date:   2019-12-31 (Tue, 31 Dec 2019)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  after_success script cannot make the build fail