tests: add more logging to expect test

[algorandskiy]

Summary

More kmd logging in expect test runner to diagnose sporadic expect test failures.
Added "goal account import key" logging in net template code to diagnose "Error creating private network: exit status 1" errors.

Test Plan

This is test-related code

[codecov]

Codecov Report

Merging #5078 (ce09e9f) into master (1ad3db9) will increase coverage by 0.03%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master    #5078      +/-   ##
==========================================
+ Coverage   53.57%   53.60%   +0.03%     
==========================================
  Files         430      430              
  Lines       54091    54093       +2     
==========================================
+ Hits        28980    28998      +18     
+ Misses      22864    22853      -11     
+ Partials     2247     2242       -5     

Impacted Files	Coverage Δ
netdeploy/networkTemplate.go	29.05% <0.00%> (-0.51%)	⬇️
ledger/acctupdates.go	68.99% <0.00%> (-0.25%)	⬇️
catchup/service.go	69.80% <0.00%> (ø)
ledger/catchpointtracker.go	58.49% <0.00%> (ø)
data/transactions/logic/assembler.go	87.25% <0.00%> (+0.13%)	⬆️
network/wsNetwork.go	64.92% <0.00%> (+0.17%)	⬆️
ledger/testing/randomAccounts.go	56.88% <0.00%> (+0.61%)	⬆️
catchup/peerSelector.go	100.00% <0.00%> (+1.04%)	⬆️
agreement/proposalManager.go	98.03% <0.00%> (+1.96%)	⬆️
agreement/cryptoVerifier.go	69.71% <0.00%> (+2.11%)	⬆️
... and 1 more

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[algonautshant]

Looksfine.