void testIsResponseAsyncFalse() {
            testRequest.setAsyncId(0);
            assertFalse(testRequest.isResponseAsync());
        }

        @Test
        @DisplayName("isResponseAsync should return true when asyncId is not 0")
        void testIsResponseAsyncTrue() {
            testRequest.setAsyncId(12345L);
            assertTrue(testRequest.isResponseAsync());
        }

     */
    public Smb2CancelRequest(final Configuration config, final long mid, final long asyncId) {
        super(config, SMB2_CANCEL);
        setMid(mid);
        setAsyncId(asyncId);
        if (asyncId != 0) {
            addFlags(SMB2_FLAGS_ASYNC_COMMAND);
        }
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Request#getCreditCost()
     */

        return this.asyncId;
    }

    /**
     * Sets the asynchronous identifier for this message.
     *
     * @param asyncId
     *            the asyncId to set
     */
    public final void setAsyncId(final long asyncId) {
        this.asyncId = asyncId;
    }

    /**
     * Gets the credit count for this message.
     *
     * @return the credit
     */
    public final int getCredit() {

        }

        @Test
        @DisplayName("Should get and set async ID")
        void testAsyncIdProperty() {
            assertEquals(0, testMessage.getAsyncId());
            testMessage.setAsyncId(67890L);
            assertEquals(67890L, testMessage.getAsyncId());
        }

        @Test
        @DisplayName("Should get and set credit")
        void testCreditProperty() {

                resp.setAsyncHandled(true);
                final boolean first = !req.isAsync();
                req.setAsyncId(resp.getAsyncId());
                final Long exp = resp.getExpiration();
                if (exp != null) {
                    resp.setExpiration(System.currentTimeMillis() + getResponseTimeout(request));