void testIsShareDfs() {
            // Given
            when(mockResponse.isShareDfs()).thenReturn(true);

            // When
            boolean isDfs = mockResponse.isShareDfs();

            // Then
            assertTrue(isDfs, "Should indicate DFS status");
            verify(mockResponse).isShareDfs();
        }

        @Test
        @DisplayName("Should validate tree ID")

        response.readBytesWireFormat(buffer, 0);
        assertTrue(response.isShareDfs());

        // Test with DFS_ROOT flag only
        response = new Smb2TreeConnectResponse(mockConfig);
        buffer = createValidResponseBuffer(0, 0x2, 0, 0);
        response.readBytesWireFormat(buffer, 0);
        assertTrue(response.isShareDfs());

        // Test with both DFS flags

            throw new SmbException("IPC signing is enforced, but no signing is available");
        }

        this.service = rsvc;
        this.inDfs = response.isShareDfs();
        this.treeNum = TREE_CONN_COUNTER.incrementAndGet();

        this.connectionState.set(2); // connected

        try {
            validateNegotiation(transport, sess);