How to test UserDefaults in iOS

Issue #518

let userDefaults = UserDefaults(suiteName: suiteName)
userDefaults.removePersistentDomain(forName: suiteName)

https://developer.apple.com/documentation/foundation/userdefaults/1417339-removepersistentdomain

Calling this method is equivalent to initializing a user defaults object with init(suiteName:) passing domainName, and calling the removeObject(forKey:) method on each of its keys.

Read more

• https://www.swiftbysundell.com/articles/the-power-of-userdefaults-in-swift/
• http://dscoder.com/defaults.html
• https://medium.com/swift-india/userdefaults-under-the-hood-457461c8d262