Added a test case for `AnyProperty`. It fails if the event is sent before the latest value is observable via `value`.
Added a test case for `AnyProperty`.
It fails if the event is sent before the latest value is observable via `value`.

victorlin/ReactiveCocoa,victorlin/ReactiveCocoa,ReactiveCocoa/ReactiveSwift,ohwutup/ReactiveCocoa,ohwutup/ReactiveCocoa,sandyway/ReactiveCocoa,walkingsmarts/ReactiveCocoa,andersio/ReactiveCocoa,calebd/ReactiveCocoa,ReactiveCocoa/ReactiveSwift,walkingsmarts/ReactiveCocoa,walkingsmarts/ReactiveCocoa,calebd/ReactiveCocoa,sandyway/ReactiveCocoa,sandyway/ReactiveCocoa,victorlin/ReactiveCocoa,ReactiveCocoa/ReactiveSwift,ikesyo/ReactiveCocoa,ohwutup/ReactiveCocoa,ikesyo/ReactiveCocoa,calebd/ReactiveCocoa,andersio/ReactiveCocoa,andersio/ReactiveCocoa