request = new Smb2CloseRequest(mockConfig, testFileId, testFileName);
    }

    @Test
    @DisplayName("Constructor with fileId and fileName should initialize correctly")
    void testConstructorWithFileIdAndFileName() throws Exception {
        // Verify command is set correctly (SMB2_CLOSE = 0x0006)
        Field commandField = ServerMessageBlock2.class.getDeclaredField("command");
        commandField.setAccessible(true);