target 'MY_PROJECT_TITLE_Tests' do
inherit! :search_paths
pod 'Firebase'
end

Undefined symbols for architecture x86_64:
"_OBJC_CLASS_$_FBSDKCodelessIndexer", referenced from:
  objc-class-ref in FBSDKMarketingKit(FBSDKButtonIndexer.o)
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see
invocation)