Tests Podfile cleanup

src/objective-c/tests/Podfile

@@ -17,14 +17,18 @@ GRPC_LOCAL_SRC = '../../..'
 ).each do |target_name|
   target target_name do
     pod 'Protobuf', :path => "#{GRPC_LOCAL_SRC}/third_party/protobuf", :inhibit_warnings => true
+
     pod '!ProtoCompiler',            :path => "#{GRPC_LOCAL_SRC}/src/objective-c"
     pod '!ProtoCompiler-gRPCPlugin', :path => "#{GRPC_LOCAL_SRC}/src/objective-c"
+
     pod 'BoringSSL',       :podspec => "#{GRPC_LOCAL_SRC}/src/objective-c", :inhibit_warnings => true
     pod 'CronetFramework', :podspec => "#{GRPC_LOCAL_SRC}/src/objective-c"
+
     pod 'gRPC',           :path => GRPC_LOCAL_SRC
     pod 'gRPC-Core',      :path => GRPC_LOCAL_SRC
     pod 'gRPC-RxLibrary', :path => GRPC_LOCAL_SRC
     pod 'gRPC-ProtoRPC',  :path => GRPC_LOCAL_SRC
+
     pod 'RemoteTest', :path => "RemoteTestClient"
   end
 end