Hello
Given
MacBookPro running with MacOs 10.15.4 (19E287)
Xcode Version 11.4.1 (11E503a)
Open final project of chapter 6
When
Compiling with Mac OS Deployment target : 10.15
Then
Build is a fail
When
Compiling with Mac OS Deployment target : 10.14
Then
Build is a success
When
Compiling with iOS Deployment target : default (do not know what it means)
Then
Build is a success
