Here, https://github.com/junit-team/junit5/blob/master/junit-jupiter-api/src/main/java/org/junit/jupiter/api/AssertDoesNotThrow.java#L51-L52 and here https://github.com/junit-team/junit5/blob/master/junit-jupiter-api/src/main/java/org/junit/jupiter/api/AssertDoesNotThrow.java#L74-L75 only the t.getClass().getName() from the unexpected throwable is added to the message of the created AssertionFailedError instance. The message should also contain the t.getMessage() text from the unexpected throwable.

Deliverables

• Attach non-empty message from the unexpected throwable