}
try {
List<Attribute> attrs = new LinkedList<Attribute>();
attrs.add(feedDoc.buildAttribute("goofy", "attrValue"));
feedDoc.buildAuthor(new Name("You"), null, null, attrs, null);
fail("should not get here;");
} catch (Exception e) {
assertTrue(e instanceof AtomSpecException);
assertEquals(e.getMessage(),
"Unsupported attribute goofy for this Atom Person Construct.");