[#9999] qos: Do not export zero metrics counters

Commit fd8670ddba pushed by dstepanov-yadro#1690

Workflow tests.yml

Lint

5m28s

Tests

3m0s

Tests

5m52s

Tests with -race

5m38s

Staticcheck

5m35s

gopls check

6m4s

Run gofumpt

4m52s

Tests with -race

Success

Set up job5s

actions/checkout@v32s

Set up Go39s

Run tests1m6s

Complete job3m39s