final String value = username + ":" + password;
            final String basicAuth = "Basic " + java.util.Base64.getEncoder().encodeToString(value.getBytes(StandardCharsets.UTF_8));
            request.header("Authorization", basicAuth);
        }
        if (sslSocketFactory != null) {
            request.sslSocketFactory(sslSocketFactory);
        }

            assertNull(e.getCause());
        }
    }

    public void test_throwAndCatchAsFessSystemException() {
        // Test catching as parent exception type
        String type = "BasicAuth";
        String message = "Authentication failed";

        try {
            throw new InvalidAccessTokenException(type, message);
        } catch (FessSystemException e) {