log packages lint fixes and test for loki flushing at end

[mstoykov]

No description provided.

[mstoykov]

Those are the tests for #3194

[codecov-commenter]

Codecov Report

Merging #3196 (78de93b) into master (1278f6e) will increase coverage by 0.48%.
The diff coverage is 57.21%.

❗ Current head 78de93b differs from pull request most recent head b8473c7. Consider uploading reports for the commit b8473c7 to get more accurate results

@@            Coverage Diff             @@
##           master    #3196      +/-   ##
==========================================
+ Coverage   72.69%   73.18%   +0.48%     
==========================================
  Files         254      259       +5     
  Lines       19802    19864      +62     
==========================================
+ Hits        14396    14538     +142     
+ Misses       4497     4403      -94     
- Partials      909      923      +14     

Flag	Coverage Δ
ubuntu	73.13% <57.21%> (?)
windows	73.03% <57.21%> (+0.33%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
metrics/engine/ingester.go	91.48% <ø> (ø)
output/cloud/expv2/collect.go	92.59% <ø> (+0.51%)	⬆️
output/cloud/expv2/flush.go	91.04% <ø> (-0.85%)	⬇️
output/cloud/v1/output.go	57.45% <0.00%> (-10.36%)	⬇️
output/cloud/expv2/output.go	72.83% <7.69%> (+7.09%)	⬆️
cloudapi/insights/client.go	62.20% <12.50%> (-17.18%)	⬇️
cmd/run.go	74.27% <86.66%> (+0.11%)	⬆️
output/cloud/insights/collect.go	91.48% <91.48%> (ø)
metrics/sink.go	97.40% <96.42%> (+1.51%)	⬆️
cloudapi/config.go	90.90% <100.00%> (ø)
... and 6 more

... and 11 files with indirect coverage changes