[xmlunit/xmlunit] 50cace: namespace prefix tests

[GitHub <no...@gi...>]

  Branch: refs/heads/master
  Home:   https://github.com/xmlunit/xmlunit
  Commit: 50cace5cf1dc3f8888e0ae867ad12dccc8167bfc
      https://github.com/xmlunit/xmlunit/commit/50cace5cf1dc3f8888e0ae867ad12dccc8167bfc
  Author: Stefan Bodewig <ste...@fr...>
  Date:   2017-10-20 (Fri, 20 Oct 2017)

  Changed paths:
    M xmlunit-core/src/test/java/org/xmlunit/diff/DOMDifferenceEngineTest.java

  Log Message:
  -----------
  namespace prefix tests

proves https://github.com/xmlunit/xmlunit.net/issues/22 doesn't affect
XMLUnit for Java