Test: Migrate CFamilyTargetTests to Swift Testing and augment#9014

bkhouri wants to merge 2 commits intoswiftlang:mainswiftlang/swift-package-manager:mainfrom

bkhouri:t/main/gh8997_rdar157669245_migrate_CFamilyTargetTestCase_to_ST_and_augmentbkhouri/swift-package-manager:t/main/gh8997_rdar157669245_migrate_CFamilyTargetTestCase_to_ST_and_augmentCopy head branch name to clipboard