void testIsValidTid() {
            // Given
            when(mockResponse.isValidTid()).thenReturn(true);

            // When
            boolean isValid = mockResponse.isValidTid();

            // Then
            assertTrue(isValid, "Should indicate valid TID");
            verify(mockResponse).isValidTid();
        }
    }

    /**
     * Tests for SMB2 implementation of TreeConnectResponse

        setTreeIdMethod.invoke(response, -1);
        assertFalse(response.isValidTid());

        // Test valid TID
        setTreeIdMethod.invoke(response, 100);
        assertTrue(response.isValidTid());

        // Test zero TID (valid)
        setTreeIdMethod.invoke(response, 0);
        assertTrue(response.isValidTid());
    }

    @Test
    @DisplayName("Should return null for getService")

     * @throws IOException
     */
    private void treeConnected(final SmbTransportImpl transport, final SmbSessionImpl sess, final TreeConnectResponse response)
            throws CIFSException {
        if (!response.isValidTid()) {
            throw new SmbException("TreeID is invalid");
        }
        this.tid = response.getTid();
        final String rsvc = response.getService();
        if (rsvc == null && !transport.isSMB2()) {