Refactor ChannelBufferStreamTest.testAll to improve the test experience

[cheese8]

What is the purpose of the change

Ref #10214

[codecov-commenter]

Codecov Report

Merging #10244 (fc697fc) into 3.0 (47f7be2) will decrease coverage by 0.29%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##                3.0   #10244      +/-   ##
============================================
- Coverage     65.71%   65.42%   -0.30%     
+ Complexity      320      319       -1     
============================================
  Files          1233     1233              
  Lines         53692    53692              
  Branches       8101     8101              
============================================
- Hits          35284    35126     -158     
- Misses        14584    14732     +148     
- Partials       3824     3834      +10     

Impacted Files	Coverage Δ
...dubbo/remoting/zookeeper/ZookeeperTransporter.java	55.55% <0.00%> (-33.34%)	⬇️
...ng/zookeeper/curator5/Curator5ZookeeperClient.java	43.47% <0.00%> (-27.06%)	⬇️
...dubbo/common/status/support/LoadStatusChecker.java	41.66% <0.00%> (-25.00%)	⬇️
.../remoting/api/SingleProtocolConnectionManager.java	61.53% <0.00%> (-23.08%)	⬇️
...nt/metadata/ServiceInstanceHostPortCustomizer.java	65.78% <0.00%> (-21.06%)	⬇️
.../apache/dubbo/rpc/filter/ProfilerServerFilter.java	62.85% <0.00%> (-20.00%)	⬇️
...e/dubbo/rpc/protocol/tri/transport/WriteQueue.java	64.28% <0.00%> (-14.29%)	⬇️
...che/dubbo/registry/client/NopServiceDiscovery.java	44.44% <0.00%> (-11.12%)	⬇️
...mmon/threadpool/support/AbortPolicyWithReport.java	73.68% <0.00%> (-10.53%)	⬇️
.../common/threadpool/serial/SerializingExecutor.java	70.37% <0.00%> (-7.41%)	⬇️
... and 24 more

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