@BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
    }

    @Test
    @DisplayName("Test constructor with non-zero asyncId sets async flag")
    void testConstructorWithNonZeroAsyncId() {
        // Given
        long mid = 12345L;
        long asyncId = 67890L;

        // When
        Smb2CancelRequest request = new Smb2CancelRequest(mockConfig, mid, asyncId);

        // Then