void testIsShareDfs() throws Exception {
            // Test with DFS flag set
            setPrivateField(response, "shareIsInDfs", true);
            assertTrue(response.isShareDfs(), "Should indicate share is in DFS");

            // Test with DFS flag not set
            setPrivateField(response, "shareIsInDfs", false);
            assertFalse(response.isShareDfs(), "Should indicate share is not in DFS");
        }

                SmbComTreeConnectAndXResponse treeResponse = (SmbComTreeConnectAndXResponse) response;
                treeResponse.tid = 456;
                treeResponse.service = "testService";
                treeResponse.shareIsInDfs = true;
            }
            return null;
        }).when(session).send(any(ServerMessageBlock.class), any(ServerMessageBlock.class));

        // Test tree connect
        tree.treeConnect(null, null);