setField(session, "expiration", 0L);
        assertNull(session.getExpiration());
    }

    @Test
    @DisplayName("connection and failure status delegate to transport")
    void testConnectionAndFailureStatus() {
        SmbSessionImpl session = newSession();

        // Make session look connected via setSessionSetup
        Smb2SessionSetupResponse resp = mock(Smb2SessionSetupResponse.class);