Executes func and expects the specified number of events to be logged during the execution. This function fails and throws an exception if more events than expected are logged, or if a timeout occurs. The timeout is taken from the config value "akka.test.filter-leeway", see TestEventFilterLeeway.

T Expect<T>(
	int expectedCount,
	Func<T> func
)

abstract Expect : 
        expectedCount : int * 
        func : Func<'T> -> 'T