@Test
public void success_GeneratePublicKeySeed_via_KECCAK_512_from_hex_string_4() {

    PrivateKey privateKey = PrivateKeyEd25519.fromHexString("accbe57051b453cb00bb7e7d95d0b893d8730f05eeaa65329e4bfebb70319f98");
    byte[] seed = delegate.generatePublicKeySeed(privateKey);
    assertThat(HexEncoder.getString(seed), is("e3286b65a39e17f622407ec080db5732c9de3f74b1d8075d0f0240458f77d197"));
}