}
// Sleep for 1s, then put the block again. The volume
// should report a more recent mtime.
+ //
// TODO(twp): this would be better handled with a mock Time object.
+ // Alternatively, set the mtime manually to some moment in the past
+ // (maybe a v.SetMtime method?)
+ //
time.Sleep(time.Second)
if err := v.Put(TEST_HASH, TEST_BLOCK); err != nil {
t.Error(err)