test(proxy): add unit tests for grpc activity

[ShadowySpirits]

No description provided.

[codecov]

Codecov Report

Merging #652 (ed363ef) into main (3a696e8) will decrease coverage by 0.27%.
The diff coverage is n/a.

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #652      +/-   ##
============================================
- Coverage     59.10%   58.83%   -0.27%     
+ Complexity     2100     2089      -11     
============================================
  Files           218      218              
  Lines         13607    13607              
  Branches       1248     1248              
============================================
- Hits           8042     8006      -36     
- Misses         4916     4975      +59     
+ Partials        649      626      -23     

Components	Coverage Δ
RocketMQ Broker	∅ <ø> (∅)
RocketMQ Common	5.80% <ø> (ø)
RocketMQ Controller	55.78% <ø> (-3.48%)	⬇️
RocketMQ Proxy	42.80% <ø> (+3.33%)	⬆️
RocketMQ Store	77.85% <ø> (+0.14%)	⬆️
RocketMQ Stream	59.55% <ø> (ø)
RocketMQ Metadata	35.67% <ø> (ø)

see 22 files with indirect coverage changes

[github-actions]

Qodana for JVM

It seems all right 👌

No new problems were found according to the checks applied

💡 Qodana analysis was run in the pull request mode: only the changed files were checked
☁️ View the detailed Qodana report

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