assertEquals(expectedAttributeCount(), keySet.size());
assertTrue(!keySet.contains("foo"));
assertTrue(!keySet.contains("bar"));
assertTrue(!keySet.contains("baz"));
assertTrue(!keySet.contains("bop"));
assertTrue(keySet.containsAll(all));
// Add the new elements #2
context.put("foo", "foo value");
context.put("bar", "bar value");
context.put("baz", "baz value");