calcChecksum32(DATA_ORIG), HashConstants.NO_CHECKSUM);
metadata.uncompressedSize = -1L;
StorableCreationResult resp = store.insert(StoreOperationSource.REQUEST, null,
KEY1, new ByteArrayInputStream(DATA_ORIG),
metadata, ByteContainer.simple(CUSTOM_METADATA_ORIG));
assertTrue(resp.succeeded());
assertNull(resp.getPreviousEntry());
_verifyCounts(1L, store);
// Then try to overwrite with a newer timestamp