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[AndriiDiachuk]

Part of #746.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 63.95349% with 31 lines in your changes missing coverage. Please review.

Project coverage is 55.62%. Comparing base (7b58582) to head (aa96690).
Report is 35 commits behind head on master.

Files with missing lines	Patch %	Lines
access/grpc/grpc.go	78.57%	9 Missing and 6 partials ⚠️
access/grpc/convert/convert.go	0.00%	10 Missing ⚠️
access/grpc/client.go	0.00%	6 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #764      +/-   ##
==========================================
+ Coverage   52.92%   55.62%   +2.70%     
==========================================
  Files          35       35              
  Lines        5580     5880     +300     
==========================================
+ Hits         2953     3271     +318     
+ Misses       2231     2139      -92     
- Partials      396      470      +74     

Flag	Coverage Δ
unittests	55.62% <63.95%> (+2.70%)	⬆️

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[peterargue]

@AndriiDiachuk please fix conflicts, then this is ready to merge