[TestHelpers] Consolidate comment testing
[TestHelpers] Consolidate comment testing

jeffreybergier/SwiftLint,daniel-beard/SwiftLint,realm/SwiftLint,firebase/SwiftLint,wfleming/SwiftLint,lyft/SwiftLint,victorpimentel/SwiftLint,realm/SwiftLint,firebase/SwiftLint,lyft/SwiftLint,dictav/SwiftLint,realm/SwiftLint,victorpimentel/SwiftLint,victorpimentel/SwiftLint,firebase/SwiftLint,wfleming/SwiftLint,Johnykutty/SwiftLint,lyft/SwiftLint,jeffreybergier/SwiftLint,realm/SwiftLint,dictav/SwiftLint,lyft/SwiftLint,cdillard/SwiftLint,jeffreybergier/SwiftLint,victorpimentel/SwiftLint,Johnykutty/SwiftLint,jeffreybergier/SwiftLint,daniel-beard/SwiftLint,cdillard/SwiftLint,Johnykutty/SwiftLint,Johnykutty/SwiftLint,firebase/SwiftLint