Flaky test HttpClientContinueTest.testExpect100ContinueWithContentRespond417ExpectationFailed

[olamy]

trafficstars

Jetty-12.0.x branch (for both ee9 and ee10)

[ERROR] Tests run: 38, Failures: 1, Errors: 0, Skipped: 2, Time elapsed: 8.460 s <<< FAILURE! -- in org.eclipse.jetty.ee9.test.client.transport.HttpClientContinueTest
[ERROR] org.eclipse.jetty.ee9.test.client.transport.HttpClientContinueTest.testExpect100ContinueWithContentRespond417ExpectationFailed(Transport)[3] -- Time elapsed: 5.016 s <<< FAILURE!
org.opentest4j.AssertionFailedError: expected: <true> but was: <false>
	at org.junit.jupiter.api.AssertionFailureBuilder.build(AssertionFailureBuilder.java:151)
	at org.junit.jupiter.api.AssertionFailureBuilder.buildAndThrow(AssertionFailureBuilder.java:132)
	at org.junit.jupiter.api.AssertTrue.failNotTrue(AssertTrue.java:63)
	at org.junit.jupiter.api.AssertTrue.assertTrue(AssertTrue.java:36)
	at org.junit.jupiter.api.AssertTrue.assertTrue(AssertTrue.java:31)
	at org.junit.jupiter.api.Assertions.assertTrue(Assertions.java:183)
	at org.eclipse.jetty.ee9.test.client.transport.HttpClientContinueTest.testExpect100ContinueWithContentRespondError(HttpClientContinueTest.java:208)
	at org.eclipse.jetty.ee9.test.client.transport.HttpClientContinueTest.testExpect100ContinueWithContentRespond417ExpectationFailed(HttpClientContinueTest.java:165)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)