assertNotSame( doc.getLastModified(), initVersion );
tx.commit();
tx = ss.beginTransaction();
doc.setText("blah blah blah .... blah blay");
ss.update(doc);
tx.commit();
Document doc2 = (Document) ss.get(Document.class.getName(), "Blahs");
assertEquals("Blahs", doc2.getName());
assertEquals(doc.getText(), doc2.getText());