`EventListenerTest_Relay.cancelAsyncCall` flaky

[JakeWharton]

On 'loom' runner:

EventListenerTest_Relay[jvm] > cancelAsyncCall()[jvm] FAILED
    org.opentest4j.AssertionFailedError: expected to contain:<class okhttp3.CallEvent$Canceled> but was:<[class okhttp3.CallEvent$CallStart, class okhttp3.CallEvent$ProxySelectStart, class okhttp3.CallEvent$ProxySelectEnd, class okhttp3.CallEvent$DnsStart, class okhttp3.CallEvent$DnsEnd, class okhttp3.CallEvent$ConnectStart]>
        at app//okhttp3.EventListenerTest.cancelAsyncCall(EventListenerTest.kt:446)
        at java.base@24.0.2/java.lang.reflect.Method.invoke(Method.java:565)
        at app//okhttp3.testing.PlatformRule.interceptTestMethod(PlatformRule.kt:85)
        at java.base@24.0.2/java.util.ArrayList.forEach(ArrayList.java:1604)
        at java.base@24.0.2/java.util.ArrayList.forEach(ArrayList.java:1604)