Set up a workspace via CocoaPods
$ cd Firestore/Example
$ pod update
$ open Firestore.xcworkspace
Select the Firestore_Tests_iOS scheme
⌘-u to build and run the unit tests
GoogleServices-Info.plist
file in Firestore/Example/App.Typically you should not need to worrying about regenerating the Objective-C files from the .proto files. If you do, see instructions at Protos/README.md.