Try to fix macos unit tests

[oleks-rip]

High Level Overview of Change

MACOS unit tests fix

Context of Change

Add retries to Env RPC requests to fix Macos disconnects during CI testing.

Type of Change

• Bug fix (non-breaking change which fixes an issue)

API Impact

• No API impact

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 77.9%. Comparing base (838978b) to head (6403b63).

Additional details and impacted files

@@            Coverage Diff            @@
##           develop   #5192     +/-   ##
=========================================
- Coverage     77.9%   77.9%   -0.0%     
=========================================
  Files          782     782             
  Lines        66621   66619      -2     
  Branches      8161    8157      -4     
=========================================
- Hits         51902   51873     -29     
- Misses       14719   14746     +27     

see 9 files with indirect coverage changes

[oleks-rip]

Attempt1
max retries observed

ripple.app.ValidatorRPC
ERR:Env Env::do_rpc error, retrying...
ERR:Env Env::do_rpc error, retrying...
ERR:Env Env::do_rpc error, retrying...
ERR:Env Env::do_rpc error, retrying...
ERR:Env Env::do_rpc error, retrying...
ERR:Env Env::do_rpc error, retrying...
ERR:Env Env::do_rpc error, retrying...
ERR:Env Env::do_rpc error, retrying...
ERR:Env Env::do_rpc error, retrying...
ERR:Env Env::do_rpc error, retrying...
ERR:Env Env::do_rpc error, retrying...
ERR:Env Env::do_rpc error, retrying...

[ximinez]

This is a duplicate of #5171

[oleks-rip]

This is a duplicate of #5171

Ohh, didn't saw that one.

UPDATE:
@ximinez Don't you find #5171 more heavier than it need to be?

[ximinez]

UPDATE: @ximinez Don't you find #5171 more heavier than it need to be?

It seems that way, but I ran into several edge cases and one-offs that made most of those changes necessary. Particularly to get the parallel tests working.