[pkg/pdatatest] Do not ignore timestamps in CompareMetrics, use options

[dmitryax]

It's pretty common to ignore timestamps when using CompareMetrics in tests for scrapers, but it's not apparent behavior for other use cases. We should provide options to ignore timestamps explicitly. That will make the Compare... functions provide a clean comparison with no implicit behavior.

Updates #17865

[runforesight]

Foresight Summary

    
Major Impacts

TestScrape ❌ failed 1 times in 1 runs (100% fail rate).

TestScrape/Fully_successful_scrape ❌ failed 1 times in 1 runs (100% fail rate).

TestScrape/Scrape_with_errors ❌ failed 1 times in 1 runs (100% fail rate).

build-and-test-windows duration(18 minutes 58 seconds) has decreased 21 minutes 46 seconds compared to main branch avg(40 minutes 44 seconds).

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✅  telemetrygen workflow has finished in 4 minutes 37 seconds (⚠️ 2 minutes 8 seconds more than main branch avg.) and finished at 24th Jan, 2023.

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Job	Failed Steps	Tests
publish-latest	-     🔗	N/A	See Details
publish-stable	-     🔗	N/A	See Details
build-dev	-     🔗	N/A	See Details

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✅  tracegen workflow has finished in 4 minutes 49 seconds (⚠️ 2 minutes 21 seconds more than main branch avg.) and finished at 24th Jan, 2023.

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Job	Failed Steps	Tests
build-dev	-     🔗	N/A	See Details
publish-latest	-     🔗	N/A	See Details
publish-stable	-     🔗	N/A	See Details

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✅  changelog workflow has finished in 5 minutes 22 seconds (⚠️ 3 minutes 17 seconds more than main branch avg.) and finished at 24th Jan, 2023.

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Job	Failed Steps	Tests
changelog	-     🔗	N/A	See Details

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✅  prometheus-compliance-tests workflow has finished in 6 minutes 53 seconds and finished at 24th Jan, 2023.

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Job	Failed Steps	Tests
prometheus-compliance-tests	-     🔗	✅ 21  ❌ 0  ⏭ 0    🔗	See Details

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✅  check-links workflow has finished in 8 minutes 34 seconds (⚠️ 6 minutes 42 seconds more than main branch avg.) and finished at 24th Jan, 2023.

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Job	Failed Steps	Tests
changed files	-     🔗	N/A	See Details
check-links	-     🔗	N/A	See Details

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 build-and-test workflow has finished in 16 minutes 58 seconds (34 minutes 37 seconds less than main branch avg.) and finished at 24th Jan, 2023.

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Job	Failed Steps	Tests
unittest-matrix (1.18, internal)	N/A	✅ 561  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.19, internal)	N/A	✅ 561  ❌ 0  ⏭ 0    🔗	See Details
correctness-traces	N/A	✅ 17  ❌ 0  ⏭ 0    🔗	See Details
correctness-metrics	N/A	✅ 2  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.18, processor)	N/A	✅ 1470  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.19, extension)	N/A	✅ 528  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.18, extension)	N/A	✅ 528  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.19, processor)	N/A	✅ 1470  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.18, receiver-0)	N/A	✅ 2568  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.19, receiver-0)	N/A	✅ 2568  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.18, exporter)	N/A	✅ 2498  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.19, exporter)	N/A	✅ 2498  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.19, other)	N/A	✅ 4630  ❌ 0  ⏭ 0    🔗	See Details
integration-tests	N/A	✅ 55  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.18, other)	N/A	✅ 4630  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.19, receiver-1)	N/A	✅ 1895  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.18, receiver-1)	N/A	✅ 1895  ❌ 0  ⏭ 0    🔗	See Details

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✅  load-tests workflow has finished in 16 minutes 58 seconds (⚠️ 2 minutes 38 seconds more than main branch avg.) and finished at 24th Jan, 2023.

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Job	Failed Steps	Tests
loadtest (TestTraceAttributesProcessor)	-     🔗	✅ 3  ❌ 0  ⏭ 0    🔗	See Details
loadtest (TestIdleMode)	-     🔗	✅ 1  ❌ 0  ⏭ 0    🔗	See Details
loadtest (TestTraceBallast1kSPSWithAttrs|TestTraceBallast1kSPSAddAttrs)	-     🔗	✅ 10  ❌ 0  ⏭ 0    🔗	See Details
loadtest (TestTraceNoBackend10kSPS|TestTrace1kSPSWithAttrs)	-     🔗	✅ 8  ❌ 0  ⏭ 0    🔗	See Details
loadtest (TestMetric10kDPS|TestMetricsFromFile)	-     🔗	✅ 6  ❌ 0  ⏭ 0    🔗	See Details
loadtest (TestMetricResourceProcessor|TestTrace10kSPS)	-     🔗	✅ 12  ❌ 0  ⏭ 0    🔗	See Details
loadtest (TestBallastMemory|TestLog10kDPS)	-     🔗	✅ 19  ❌ 0  ⏭ 0    🔗	See Details
setup-environment	-     🔗	N/A	See Details

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❌  build-and-test-windows workflow has finished in 18 minutes 58 seconds (21 minutes 46 seconds less than main branch avg.) and finished at 24th Jan, 2023. 1 job failed. There are 3 test failures.

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Job	Failed Steps	Tests
windows-unittest-matrix (internal)	-     🔗	✅ 525  ❌ 0  ⏭ 0    🔗	See Details
windows-unittest-matrix (extension)	-     🔗	✅ 515  ❌ 0  ⏭ 0    🔗	See Details
windows-unittest-matrix (receiver-0)	Run Unit tests     🔗	✅ 82  ❌ 3  ⏭ 0    🔗	See Details
windows-unittest-matrix (other)	-     🔗	✅ 81  ❌ 0  ⏭ 0    🔗	See Details
windows-unittest-matrix (exporter)	-     🔗	✅ 692  ❌ 0  ⏭ 0    🔗	See Details
windows-unittest-matrix (receiver-1)	-     🔗	✅ 377  ❌ 0  ⏭ 0    🔗	See Details
windows-unittest-matrix (processor)	-     🔗	✅ 431  ❌ 0  ⏭ 0    🔗	See Details
windows-unittest	-     🔗	N/A	See Details

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[dmitryax]

Windows tests are blocked by #17999