Flaky test in org.hyperledger.besu.ethereum.api.jsonrpc.internal.methods.engine.EngineExchangeTransitionConfigurationTest

[atoulme]

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Description

The test shouldWarnWhenExchangeConfigNotCalledWithinTimeout in EngineExchangeTransitionConfigurationTest is flaky.

Acceptance Criteria

Test should pass.

Steps to Reproduce (Bug)

Run the test multiple times.

Expected behavior: Test passes

Actual behavior: Test fails:

Not equals : 1 != 6
java.lang.AssertionError: Not equals : 1 != 6
	at io.vertx.ext.unit.impl.TestContextImpl.reportAssertionError(TestContextImpl.java:362)
	at io.vertx.ext.unit.impl.TestContextImpl.assertEquals(TestContextImpl.java:258)
	at io.vertx.ext.unit.impl.TestContextImpl.assertEquals(TestContextImpl.java:245)
	at org.hyperledger.besu.ethereum.api.jsonrpc.internal.methods.engine.EngineExchangeTransitionConfigurationTest.lambda$shouldWarnWhenExchangeConfigNotCalledWithinTimeout$1(EngineExchangeTransitionConfigurationTest.java:235)
	at io.vertx.core.impl.VertxImpl$InternalTimerHandler.handle(VertxImpl.java:893)
	at io.vertx.core.impl.VertxImpl$InternalTimerHandler.handle(VertxImpl.java:860)
	at io.vertx.core.impl.EventLoopContext.emit(EventLoopContext.java:50)
	at io.vertx.core.impl.ContextImpl.emit(ContextImpl.java:274)
	at io.vertx.core.impl.EventLoopContext.emit(EventLoopContext.java:22)
	at io.vertx.core.impl.AbstractContext.emit(AbstractContext.java:53)
	at io.vertx.core.impl.EventLoopContext.emit(EventLoopContext.java:22)
	at io.vertx.core.impl.VertxImpl$InternalTimerHandler.run(VertxImpl.java:883)
	at io.netty.util.concurrent.PromiseTask.runTask(PromiseTask.java:98)
	at io.netty.util.concurrent.ScheduledFutureTask.run(ScheduledFutureTask.java:153)
	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:503)
	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
	at java.base/java.lang.Thread.run(Thread.java:834)

Frequency: Fairly high.