@Test
@Parameters(method = "parametersWithBlockchainAndBlock")
public void testChangeToEqualParent(OpBlockChain blcDB) {

	OpBlockChain opBlockChain1 = new OpBlockChain(blcDB.getParent(), blcDB.getRules());
	OpBlock opBlock = blcDB.getFullBlockByRawHash(blcDB.getBlockHeadersById(0).getRawHash());
	opBlockChain1.replicateBlock(opBlock);
	blcDB.rebaseOperations(opBlockChain1);
	assertTrue(opBlockChain1.changeToEqualParent(opBlockChain1.getParent()));
}