Kerb5Authenticator auth = new Kerb5Authenticator(s, getTestUserDomainRequired(), getTestUser(), getTestUserPassword());
        auth.setForceFallback(true);
        CIFSContext ctx = getContext().withCredentials(auth);
        try ( SmbResource f = new SmbFile(getTestShareURL(), ctx) ) {
            f.exists();
        }

    }


    /**
     * Testing only: force fallback to NTLM
     * 
     * @param forceFallback
     *            the forceFallback to set
     */
    public void setForceFallback ( boolean forceFallback ) {
        this.forceFallback = forceFallback;
    }


    /**
     * 
     * {@inheritDoc}
     *