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

        int actualCreditCost = mockRequest.getCreditCost();

        assertEquals(expectedCreditCost, actualCreditCost, "Credit cost should match the mocked value.");
        verify(mockRequest, times(1)).getCreditCost(); // Verify method was called once
    }

        super.setNext(next);
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Request#getCreditCost()
     */
    @Override
    public int getCreditCost() {
        return 1;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Request#setRequestCredits(int)
     */
    @Override

    }

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

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

        // Then
        assertEquals(1, creditCost, "Credit cost should always be 1 for cancel requests");

        if (asyncId != 0) {
            addFlags(SMB2_FLAGS_ASYNC_COMMAND);
        }
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Request#getCreditCost()
     */
    @Override
    public int getCreditCost() {
        return 1;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.CommonServerMessageBlockRequest#isResponseAsync()
     */
    @Override

 */
public interface Request extends Message {

    /**
     * Gets the number of credits this request requires.
     *
     * @return number of credits this request requires
     */
    int getCreditCost();

    /**
     * Sets the number of request credits.
     *
     * @param credits the number of credits to set
     */
    void setRequestCredits(int credits);

    /**

        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() {

            this.response = null;
            this.ignoreDisconnect = false;
        }

        // Methods from jcifs.util.transport.Request interface
        @Override
        public int getCreditCost() {
            return 1;
        }

        @Override
        public void setRequestCredits(int credits) {
            this.requestCredits = credits;
        }

        @Override

            assertNull(testBlock.createCancel());
            assertNull(testBlock.getNextResponse());
            assertFalse(testBlock.isCancel());
            assertEquals(1, testBlock.getCreditCost());
            assertEquals(1, testBlock.getGrantedCredits());
        }

        @Test
        @DisplayName("Test prepare method")
        void testPrepare() {

    @Override
    public void prepare(final CommonServerMessageBlockRequest next) {

    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Request#getCreditCost()
     */
    @Override
    public int getCreditCost() {
        return 1;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Response#getGrantedCredits()
     */
    @Override

            CommonServerMessageBlockRequest chain = curHead;
            while (chain != null) {
                n++;
                final int size = chain.size();
                final int cost = chain.getCreditCost();
                final CommonServerMessageBlockRequest next = chain.getNext();
                if (log.isTraceEnabled()) {