Never mind. It appears the test hadn't been run in a timezone west of the Prime Meridian. I'll submit a PR over on Github.
We've been running a slightly-patched version of OpenAS2 2.0.0 here for some time; I'm investigating upgrading. Trying to run the tests (using ./mvnw clean package -Dorg.apache.commons.logging.Log=org.openas2.logging.Log ), I'm seeing (in the surefire report): ------------------------------------------------------------------------------- Test set: org.openas2.message.AS2MessageMDNTest ------------------------------------------------------------------------------- Tests run: 1, Failures: 1, Errors:...