@Override
                public Object call() throws Exception {
                    countDownLatch.countDown();
                    countDownLatch.await();
                    try {
                        RpcInternalContext.getContext();
                        RpcInternalContext.pushContext();
                        RpcInternalContext.removeContext();
                        RpcInternalContext.popContext();
                        return null;
                    } catch (NoSuchElementException e) {
                        Assert.fail();
                    }
                    return null;
                }
@author <a href="mailto:zhanggeng.zg@antfin.com">GengZhang</a>
core/api/src/test/java/com/alipay/sofa/rpc/context/RpcInternalContextTest.java