Fix serialize test

[Lo1nt]

Motivation:

fix test case

[codecov[bot]]

Codecov Report

Merging #1312 (7365f0c) into master (af35a32) will increase coverage by 0.05%. The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #1312      +/-   ##
============================================
+ Coverage     71.96%   72.01%   +0.05%     
+ Complexity      784      783       -1     
============================================
  Files           415      415              
  Lines         17651    17651              
  Branches       2753     2753              
============================================
+ Hits          12702    12712      +10     
+ Misses         3547     3535      -12     
- Partials       1402     1404       +2     

Impacted Files	Coverage Δ
...ofa/rpc/registry/consul/HealthServiceInformer.java	84.78% <0.00%> (-4.35%)	:arrow_down:
...n/java/com/alipay/sofa/rpc/log/TimeWaitLogger.java	80.00% <0.00%> (-4.00%)	:arrow_down:
...alipay/sofa/rpc/codec/protobuf/ProtobufHelper.java	77.08% <0.00%> (-2.09%)	:arrow_down:
.../alipay/sofa/rpc/metrics/lookout/RpcLookoutId.java	87.30% <0.00%> (-1.59%)	:arrow_down:
...com/alipay/sofa/rpc/context/RpcRuntimeContext.java	88.88% <0.00%> (-1.24%)	:arrow_down:
...lipay/sofa/rpc/message/AbstractResponseFuture.java	56.14% <0.00%> (-0.88%)	:arrow_down:
...ay/sofa/rpc/client/AllConnectConnectionHolder.java	61.02% <0.00%> (+0.25%)	:arrow_up:
.../alipay/sofa/rpc/registry/local/LocalRegistry.java	72.15% <0.00%> (+5.11%)	:arrow_up:
...java/com/alipay/sofa/rpc/module/LookoutModule.java	85.71% <0.00%> (+33.33%)	:arrow_up:

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