@Mock
    private Request mockRequest;

    @BeforeEach
    void setUp() {
        // Initialize mocks before each test
        MockitoAnnotations.openMocks(this);
    }

    @Test
    void testGetCreditCost() {
        // Test case for getCreditCost method
        int expectedCreditCost = 10;
        when(mockRequest.getCreditCost()).thenReturn(expectedCreditCost);

        assertFalse((request.getFlags() & SMB2_FLAGS_ASYNC_COMMAND) != 0, "Async flag should not be set when asyncId is zero");
    }

    @Test
    @DisplayName("Test getCreditCost returns 1")
    void testGetCreditCost() {
        // Given
        Smb2CancelRequest request = new Smb2CancelRequest(mockConfig, 1L, 0L);

        // When
        int creditCost = request.getCreditCost();

        // Then

        void testIsCancel() {
            assertFalse(testRequest.isCancel());
        }

        @Test
        @DisplayName("getCreditCost should return 1 by default")
        void testGetCreditCost() {
            assertEquals(1, testRequest.getCreditCost());
        }

        @Test
        @DisplayName("setRequestCredits should set credit value")
        void testSetRequestCredits() {