@Test(groups = TCKConstants.TEST_GROUP_UTILS, expectedExceptions = {InvalidJwtException.class},

        description = "Deprecated: Illustrate validation of issuer")
public void testFailIssuerDeprecated() throws Exception {
    Set<TokenUtils.InvalidClaims> invalidFields = new HashSet<>();
    invalidFields.add(TokenUtils.InvalidClaims.ISSUER);
    @SuppressWarnings("deprecation")
    String token = TokenUtils.generateTokenString("/Token1.json", invalidFields);
    validateToken(token);
}