@Test
public void success_GeneratePublicKeySeed_via_KECCAK_512_from_hex_string_5() {

    PrivateKey privateKey = PrivateKeyEd25519.fromHexString("884c962b99a3bf997b0e25e2762856714d9e3d18cf4a9998f2ae032c7615dd6c");
    byte[] seed = delegate.generatePublicKeySeed(privateKey);
    assertThat(HexEncoder.getString(seed), is("6a12e5b9a9c8494f8e3c7c8af3b54d3b72c33d21fc80271fa54d44620663e58a"));
}