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

        void testConstructorWithStringInvalidCharacter() {
            // Arrange
            String invalidUuid = "00112233-4455-6677-8899-AABBCCDDEXX"; // 'X' is invalid

            // Act & Assert
            assertThrows(IllegalArgumentException.class, () -> new UUID(invalidUuid),
                    "Should throw IllegalArgumentException for invalid character in UUID string");
        }

        @Test

        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")

            // Test 2: Invalid signature should return false
            byte[] invalidSig = new byte[SIGNATURE_LENGTH];
            Arrays.fill(invalidSig, (byte) 0xBA);
            System.arraycopy(invalidSig, 0, data, SIGNATURE_OFFSET, SIGNATURE_LENGTH);

            boolean invalidResult = digest.verify(data, 0, data.length, 0, msg);

     * @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()) {