Adds file and line to test asserts.
Adds file and line to test asserts.

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