Updated tests for resource pool usage

[alex268]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 62.50000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 58.89%. Comparing base (58b78c5) to head (874e136).
Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
...h/ydb/test/integration/docker/GrpcProxyServer.java	57.14%	3 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #384      +/-   ##
============================================
+ Coverage     58.84%   58.89%   +0.04%     
- Complexity     2171     2173       +2     
============================================
  Files           320      320              
  Lines         12916    12931      +15     
  Branches       1266     1267       +1     
============================================
+ Hits           7601     7616      +15     
+ Misses         4705     4702       -3     
- Partials        610      613       +3     

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