[cmd/telemetrygen] Flaky test TestRateOfMetrics

[dmitryax]

https://github.com/open-telemetry/opentelemetry-collector-contrib/actions/runs/4816347952/jobs/8575876882?pr=20282

--- FAIL: TestRateOfMetrics (0.51s)
    worker_test.go:73: 
        	Error Trace:	D:/a/opentelemetry-collector-contrib/opentelemetry-collector-contrib/cmd/telemetrygen/internal/logs/worker_test.go:73
        	Error:      	Should be true
        	Test:       	TestRateOfMetrics
        	Messages:   	there should have been more than 6 logs, had 5
2023-04-27T06:03:39.998Z	INFO	logs/logs.go:95	generation of logs isn't being throttled
2023-04-27T06:03:41.095Z	INFO	logs/worker.go:72	logs generated	{"worker": 0, "logs": 84291}
FAIL
FAIL	github.com/open-telemetry/opentelemetry-collector-contrib/cmd/telemetrygen/internal/logs	2.801s

[github-actions]

Pinging code owners for cmd/telemetrygen: @mx-psi @codeboten. See Adding Labels via Comments if you do not have permissions to add labels yourself.

[github-actions]

Pinging code owners:

• cmd/telemetrygen: @mx-psi @codeboten

See Adding Labels via Comments if you do not have permissions to add labels yourself.

[mx-psi]

This happened again https://github.com/open-telemetry/opentelemetry-collector-contrib/actions/runs/5783403334/job/15672113180#logs

2023-08-07T10:05:04.709Z	INFO	metrics/metrics.go:92	generation of metrics isn't being throttled
2023-08-07T10:05:04.772Z	INFO	metrics/worker.go:67	metrics generated	{"worker": 0, "metrics": 5}
--- FAIL: TestRateOfMetrics (0.55s)
    worker_test.go:81: 
        	Error Trace:	D:/a/opentelemetry-collector-contrib/opentelemetry-collector-contrib/cmd/telemetrygen/internal/metrics/worker_test.go:81
        	Error:      	Should be true
        	Test:       	TestRateOfMetrics
        	Messages:   	there should have been more than 6 metrics, had 5
2023-08-07T10:05:06.380Z	INFO	metrics/metrics.go:92	generation of metrics isn't being throttled
2023-08-07T10:05:07.478Z	INFO	metrics/worker.go:67	metrics generated	{"worker": 0, "metrics": 151879}
FAIL
FAIL	github.com/open-telemetry/opentelemetry-collector-contrib/cmd/telemetrygen/internal/metrics	2.857s
ok  	github.com/open-telemetry/opentelemetry-collector-contrib/cmd/telemetrygen/internal/traces	1.632s
FAIL

[github-actions]

This issue has been inactive for 60 days. It will be closed in 60 days if there is no activity. To ping code owners by adding a component label, see Adding Labels via Comments, or if you are unsure of which component this issue relates to, please ping @open-telemetry/collector-contrib-triagers. If this issue is still relevant, please ping the code owners or leave a comment explaining why it is still relevant. Otherwise, please close it.

Pinging code owners:

• cmd/telemetrygen: @mx-psi @codeboten

See Adding Labels via Comments if you do not have permissions to add labels yourself.