PekkoHttpServerInstrumentationAsyncHttp2Test."test exception" is flaky #9396

PekkoHttpServerInstrumentationAsyncHttp2Test > test exception FAILED
org.spockframework.runtime.ConditionFailedWithExceptionError at HttpServerTest.groovy:1204
Caused by: java.util.concurrent.TimeoutException at ListWriter.java:95

Condition failed with Exception:

assertTraces(1) { trace(spanCount(EXCEPTION)) { sortSpansByStart() serverSpan(it, null, null, method, EXCEPTION) if (hasHandlerSpan()) { handlerSpan(it, EXCEPTION) } controllerSpan(it, EXCEPTION) if (hasResponseSpan(EXCEPTION)) { responseSpan(it, EXCEPTION) } trailingSpans(it, EXCEPTION) } }

Condition failed with Exception:

assertTraces(1) { trace(spanCount(EXCEPTION)) { sortSpansByStart() serverSpan(it, null, null, method, EXCEPTION) if (hasHandlerSpan()) { handlerSpan(it, EXCEPTION) } controllerSpan(it, EXCEPTION) if (hasResponseSpan(EXCEPTION)) { responseSpan(it, EXCEPTION) } trailingSpans(it, EXCEPTION) } }

	at datadog.trace.agent.test.base.HttpServerTest.test exception(HttpServerTest.groovy:1204)
Caused by: java.util.concurrent.TimeoutException: Timeout waiting for 1 trace(s). ListWriter.size() == 0 : []
	at datadog.trace.common.writer.ListWriter.waitForTraces(ListWriter.java:95)
	at datadog.trace.agent.test.asserts.ListWriterAssert.assertTraces(ListWriterAssert.groovy:50)
	at datadog.trace.agent.test.asserts.ListWriterAssert.assertTraces(ListWriterAssert.groovy:41)
	at datadog.trace.agent.test.AgentTestRunner.assertTraces(AgentTestRunner.groovy:701)
	at datadog.trace.agent.test.AgentTestRunner.assertTraces(AgentTestRunner.groovy:690)
	... 1 more