@Override
        public void doOnException(Throwable e) {
            this.exception = e;
            latch.countDown();
        }
@author <a href="mailto:zhanggeng.zg@antfin.com">GengZhang</a>
test/test-integration/src/test/java/com/alipay/sofa/rpc/transport/http/Http2ClearTextBadRequestTest.java