@Test
public void testDifficultyWithoutExplosion() throws Exception {

    ETCFork3M etcFork3M = new ETCFork3M(new TestBlockchainConfig());
    BlockHeader parent = new BlockHeaderBuilder(new byte[]{11, 12}, 0L, 1_000_000).build();
    BlockHeader current = new BlockHeaderBuilder(parent.getHash(), 1L, -1).build();
    BigInteger difficulty = etcFork3M.calcDifficulty(current, parent);
    assertEquals(BigInteger.valueOf(269435944), difficulty);
}