 			error(1320, RepeatTestErrors.fatalError)]
 		
 		let res = scheduler.start(0, subscribed: 0, disposed: 2000) { () -> Observable<Int> in
+			// custom delay calculator
 			let customCalculator: (UInt -> Double) = { attempt in
 				switch attempt {
 				case 1: return 10.0

			error(1320, RepeatTestErrors.fatalError)]
		
		let res = scheduler.start(0, subscribed: 0, disposed: 2000) { () -> Observable<Int> in
			let customCalculator: (UInt -> Double) = { attempt in
				switch attempt {
				case 1: return 10.0

import RxSwiftExt
import RxTests

private enum RepeatTestErrors : ErrorType {
	case fatalError
}

