@Test
    public void buildFromJwk() throws UnsupportedEncodingException {
        val json = new OctetSequenceKey.Builder(MAC_SECRET.getBytes("UTF-8")).build().toJSONString();
        JWKHelper.buildSecretFromJwk(json);
    }
Tests {@link SecretSignatureConfiguration}.

@author Jerome Leleu
@since 1.9.2
pac4j-jwt/src/test/java/org/pac4j/jwt/config/signature/SecretSignatureConfigurationTests.java