Enable TimedAspectTest.pjpFunctionThrows()

[izeye]

This PR enables the TimedAspectTest.pjpFunctionThrows() as it seems to have been missed accidentally.

[izeye]

The "build" has failed with the following failure:

PushMeterRegistryTest > closeRespectsInterrupt() FAILED
    org.awaitility.core.ConditionTimeoutException: Assertion condition defined as a Lambda expression in io.micrometer.core.instrument.push.PushMeterRegistryTest null within 10 milliseconds.
        at app//org.awaitility.core.ConditionAwaiter.await(ConditionAwaiter.java:167)
        at app//org.awaitility.core.AssertionCondition.await(AssertionCondition.java:119)
        at app//org.awaitility.core.AssertionCondition.await(AssertionCondition.java:31)
        at app//org.awaitility.core.ConditionFactory.until(ConditionFactory.java:1006)
        at app//org.awaitility.core.ConditionFactory.untilAsserted(ConditionFactory.java:790)
        at app//io.micrometer.core.instrument.push.PushMeterRegistryTest.closeRespectsInterrupt(PushMeterRegistryTest.java:248)

        Caused by:
        java.util.concurrent.TimeoutException
            at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:204)
            at org.awaitility.core.Uninterruptibles.getUninterruptibly(Uninterruptibles.java:101)
            at org.awaitility.core.Uninterruptibles.getUninterruptibly(Uninterruptibles.java:81)
            at org.awaitility.core.ConditionAwaiter.await(ConditionAwaiter.java:103)
            ... 5 more

I created #5890 to try to mitigate its flakiness.

See https://app.circleci.com/pipelines/github/micrometer-metrics/micrometer/8379/workflows/ddfcbe08-388d-4b99-a0d0-abaacca96fb5/jobs/42323