use testcodegen.proto for distribtest

test/distrib/csharp/test_codegen/test_codegen.sh

@@ -31,7 +31,7 @@ fi
 PROTOC="../packages/Grpc.Tools.__GRPC_NUGET_VERSION__/tools/${PLATFORM_ARCH}/protoc"
 PLUGIN="../packages/Grpc.Tools.__GRPC_NUGET_VERSION__/tools/${PLATFORM_ARCH}/grpc_csharp_plugin"
 
-$PROTOC --plugin="protoc-gen-grpc=${PLUGIN}" --csharp_out=. --grpc_out=. -I . helloworld.proto
+$PROTOC --plugin="protoc-gen-grpc=${PLUGIN}" --csharp_out=. --grpc_out=. -I . testcodegen.proto
 
 ls *.cs
 

test/distrib/csharp/test_codegen/testcodegen.proto

@@ -1,4 +1,4 @@
-// Copyright 2015 gRPC authors.
+// Copyright 2018 The gRPC Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -14,25 +14,16 @@
 
 syntax = "proto3";
 
-option java_multiple_files = true;
-option java_package = "io.grpc.examples.helloworld";
-option java_outer_classname = "HelloWorldProto";
-option objc_class_prefix = "HLW";
+package testcodegen;
 
-package helloworld;
-
-// The greeting service definition.
 service Greeter {
-  // Sends a greeting
   rpc SayHello (HelloRequest) returns (HelloReply) {}
 }
 
-// The request message containing the user's name.
 message HelloRequest {
   string name = 1;
 }
 
-// The response message containing the greetings
 message HelloReply {
   string message = 1;
 }