[Failing Test]: PortableValidationRunnerTest broken: ParDoTest$TimestampTests.testParDoTaggedOutputWithTimestamp

[Abacn]

What happened?

This test on all runners are currently failing. Error message:

java.lang.RuntimeException: The Runner experienced the following error during execution:
java.lang.RuntimeException: Error received from SDK harness for instruction 7: org.apache.beam.sdk.util.UserCodeException: java.lang.AssertionError: ParDo(TestFormatTimestamp)/ParMultiDo(TestFormatTimestamp).output: 
Expected: iterable with items ["processing: 3, timestamp: 3", "processing: 42, timestamp: 42", "processing: 6, timestamp: 6"] in any order
     but: not matched: "processing: 3, timestamp: -9223372036854775"
	at org.apache.beam.sdk.util.UserCodeException.wrap(UserCodeException.java:39)
	at org.apache.beam.sdk.testing.PAssert$DefaultConcludeFn$DoFnInvoker.invokeProcessElement(Unknown Source)
	at org.apache.beam.fn.harness.FnApiDoFnRunner.processElementForParDo(FnApiDoFnRunner.java:799)
	at org.apache.beam.fn.harness.data.PCollectionConsumerRegistry$MetricTrackingFnDataReceiver.accept(PCollectionConsumerRegistry.java:284)
	at org.apache.beam.fn.harness.data.PCollectionConsumerRegistry$MetricTrackingFnDataReceiver.accept(PCollectionConsumerRegistry.java:225)
	at org.apache.beam.fn.harness.FnApiDoFnRunner.outputTo(FnApiDoFnRunner.java:1788)
	at org.apache.beam.fn.harness.FnApiDoFnRunner.access$3000(FnApiDoFnRunner.java:142)
	at org.apache.beam.fn.harness.FnApiDoFnRunner$NonWindowObservingProcessBundleContext.outputWithTimestamp(FnApiDoFnRunner.java:2356)
	at org.apache.beam.fn.harness.FnApiDoFnRunner$ProcessBundleContextBase.output(FnApiDoFnRunner.java:2621)
	at org.apache.beam.sdk.testing.PAssert$GroupedValuesCheckerDoFn.processElement(PAssert.java:1588)
	at org.apache.beam.sdk.testing.PAssert$GroupedValuesCheckerDoFn$DoFnInvoker.invokeProcessElement(Unknown Source)

it is caused by #25245. Reverting this change test succeeded: #25343

Issue Failure

Failure: Test is continually failing

Issue Priority

Priority: 1 (unhealthy code / failing or flaky postcommit so we cannot be sure the product is healthy)

Issue Components

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[Abacn]

CC: @lukecwik

[lukecwik]

There was a typo where I'm not forwarding the timestamp