@Test
public void success_GeneratePublicKey_from_all_zero_byte32() {

    byte[] seed = new byte[32];
    PrivateKey privateKey = PrivateKeyEd25519.fromBytes(seed);
    PublicKey publicKey = generator.derivePublicKey(privateKey);
    assertThat(publicKey.getHexString(), is("462ee976890916e54fa825d26bdd0235f5eb5b6a143c199ab0ae5ee9328e08ce"));
}