2.x: Intermittent HelloWorldAsyncResponseTest.testAsyncWithArg

[barchetta]

java.lang.AssertionError: 
Synthetic SimpleTimer count
Expected: is <3L>
     but: was <2L>
	at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)
	at io.helidon.microprofile.metrics.HelloWorldAsyncResponseTest.testAsyncWithArg(HelloWorldAsyncResponseTest.java:142)
	at io.helidon.microprofile.metrics.HelloWorldAsyncResponseTest$Proxy$_$$_WeldClientProxy.testAsyncWithArg(Unknown Source)

Standard Output

2022.09.28 00:01:39 INFO org.jboss.weld.Bootstrap Thread[main,5,main]: WELD-ENV-000014: Falling back to Java Reflection for bean-discovery-mode="annotated" discovery. Add org.jboss:jandex to the classpath to speed-up startup.
2022.09.28 00:01:39 INFO org.jboss.weld.Bootstrap Thread[main,5,main]: WELD-000101: Transactional services not available. Injection of @Inject UserTransaction not available. Transactional observers will be invoked synchronously.
2022.09.28 00:01:39 INFO org.jboss.weld.Event Thread[main,5,main]: WELD-000411: Observer method [BackedAnnotatedMethod] public org.glassfish.jersey.ext.cdi1x.internal.ProcessAllAnnotatedTypes.processAnnotatedType(@Observes ProcessAnnotatedType<?>, BeanManager) receives events for all annotated types. Consider restricting events using @WithAnnotations or a generic type with bounds.
2022.09.28 00:01:39 WARNING io.helidon.microprofile.metrics.MetricUtil Thread[main,5,main]: Attribute 'absolute=true' in metric annotation ignored at class level
2022.09.28 00:01:39 WARNING io.helidon.microprofile.metrics.MetricUtil Thread[main,5,main]: Attribute 'absolute=true' in metric annotation ignored at class level
2022.09.28 00:01:39 INFO io.helidon.microprofile.server.ServerCdiExtension Thread[main,5,main]: Registering JAX-RS Application: HelloWorldApp
2022.09.28 00:01:39 INFO io.helidon.webserver.NettyWebServer Thread[nioEventLoopGroup-4-1,10,main]: Channel '@default' started: [id: 0x922626cc, L:/0.0.0.0:41493]
2022.09.28 00:01:39 INFO io.helidon.microprofile.server.ServerCdiExtension Thread[main,5,main]: Server started on http://localhost:41493/ (and all other host addresses) in 8107 milliseconds (since JVM startup).
2022.09.28 00:01:49 INFO io.helidon.webserver.NettyWebServer Thread[nioEventLoopGroup-4-1,10,main]: Channel '@default' closed: [id: 0x922626cc, L:/0.0.0.0:41493]
2022.09.28 00:01:50 INFO io.helidon.microprofile.server.ServerCdiExtension Thread[main,5,main]: Server stopped in 35 milliseconds.
2022.09.28 00:01:50 INFO org.jboss.weld.Bootstrap Thread[main,5,main]: WELD-ENV-002001: Weld SE container 5d9f9493-4f61-4b35-97af-30705ae2152f shut down