void testAsyncOperations() {
            assertFalse(echoResponse.isAsyncHandled());

            echoResponse.setAsyncHandled(true);

            assertTrue(echoResponse.isAsyncHandled());

            echoResponse.setAsyncHandled(false);

            assertFalse(echoResponse.isAsyncHandled());
        }
    }

    @Nested
    @DisplayName("Expiration Tests")

    }

    /**
     * Sets whether the asynchronous interim response has been handled.
     *
     * @param asyncHandled
     *            the asyncHandled to set
     */
    public void setAsyncHandled(final boolean asyncHandled) {
        this.asyncHandled = asyncHandled;
    }

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

        @Test
        @DisplayName("Should get and set async handled")
        void testAsyncHandled() {
            assertFalse(response.isAsyncHandled());

            response.setAsyncHandled(true);

            assertTrue(response.isAsyncHandled());
        }
    }

    @Nested
    @DisplayName("Error Code Tests")
    class ErrorCodeTests {

        @Test

        synchronized (resp) {
            if (resp.isAsync() && !resp.isAsyncHandled() && resp.getStatus() == NtStatus.NT_STATUS_PENDING && resp.getAsyncId() != 0) {
                resp.setAsyncHandled(true);
                final boolean first = !req.isAsync();
                req.setAsyncId(resp.getAsyncId());
                final Long exp = resp.getExpiration();
                if (exp != null) {