Revert "Only test exception message for libxml2 >= 2.9.13 (testing against error messages we do not have control over is a bad idea)"
Revert "Only test exception message for libxml2 >= 2.9.13 (testing against error messages we do not have control over is a bad idea)"

This reverts commit d82d27a2ba3886e2a47ea81a1b4f8f2bae44a357.

templado/engine,templado/engine