verify(transport, times(2)).close();
    }

    @Test
    @DisplayName("getServerTimeZoneOffset/OEMDomainName: non-SMB1 negotiate returns 0/null")
    void getServerTimeZoneOffsetNonSmb1() throws Exception {
        // For non-SMB1 responses, timezone is 0 and domain is null
        SmbNegotiationResponse otherNego = mock(SmbNegotiationResponse.class);