db.singleInsert(0, "Brabbel".getBytes(), "Blupp".getBytes(), null).get();
result = db.lookup(0, "Brabbel".getBytes(), null).get();
value = new String(result);
assertEquals(value, "Blupp");
db.singleInsert(0, "Blupp".getBytes(), "Blahh".getBytes(), null).get();
result = db.lookup(0, "Blupp".getBytes(), null).get();
value = new String(result);
assertEquals(value, "Blahh");
database.getCheckpointer().checkpoint();