Add test for UITabBarController to DelegateProxyTest
Add test for UITabBarController to DelegateProxyTest

kzaher/RxSwift,kzaher/RxSwift,ReactiveX/RxSwift,ReactiveX/RxSwift,KyoheiG3/RxSwift,cfraz89/RxSwift,kzaher/RxSwift,KyoheiG3/RxSwift,kzaher/RxSwift,cfraz89/RxSwift,cfraz89/RxSwift,KyoheiG3/RxSwift,cfraz89/RxSwift,ReactiveX/RxSwift