super(userInfo, tc.getConfig().getDefaultDomain(),
                tc.getConfig().getDefaultUsername() != null ? tc.getConfig().getDefaultUsername() : "GUEST",
                tc.getConfig().getDefaultPassword() != null ? tc.getConfig().getDefaultPassword() : "");
        this.context = tc;
    }

    /**
     * Create an {@code NtlmPasswordAuthentication} object from a
     * domain, username, and password. Parameters that are {@code null}

            mockConfig.getNetbiosHostname();
            mockConfig.getLogonShare();
            mockConfig.getDefaultDomain();
            mockConfig.getDefaultUsername();
            mockConfig.getDefaultPassword();
            mockConfig.getLanManCompatibility();
            mockConfig.isAllowNTLMFallback();
            mockConfig.isUseRawNTLM();
            mockConfig.isDisablePlainTextPasswords();

        this.bufferCache = new BufferCacheImpl(this.config);
        this.transportPool = new SmbTransportPoolImpl();
        final String defUser = config.getDefaultUsername();
        final String defPassword = config.getDefaultPassword();
        final String defDomain = config.getDefaultDomain();
        if (defUser != null) {
            this.defaultCredentials = new NtlmPasswordAuthenticator(defDomain, defUser, defPassword);
        } else {