trial and error

build.yaml

@@ -1227,6 +1227,7 @@ libs:
   build: private
   language: c++
   headers:
+  - src/proto/grpc/testing/echo_mock.grpc.pb.h
   - test/cpp/end2end/test_service_impl.h
   - test/cpp/util/byte_buffer_proto_helper.h
   - test/cpp/util/create_test_channel.h

tools/run_tests/generated/sources_and_headers.json

@@ -5932,6 +5932,7 @@
       "src/proto/grpc/testing/echo.pb.h", 
       "src/proto/grpc/testing/echo_messages.grpc.pb.h", 
       "src/proto/grpc/testing/echo_messages.pb.h", 
+      "src/proto/grpc/testing/echo_mock.grpc.pb.h", 
       "test/cpp/end2end/test_service_impl.h", 
       "test/cpp/util/byte_buffer_proto_helper.h", 
       "test/cpp/util/create_test_channel.h", 
@@ -5943,6 +5944,7 @@
     "language": "c++", 
     "name": "grpc++_test_util", 
     "src": [
+      "src/proto/grpc/testing/echo_mock.grpc.pb.h", 
       "test/cpp/end2end/test_service_impl.cc", 
       "test/cpp/end2end/test_service_impl.h", 
       "test/cpp/util/byte_buffer_proto_helper.cc", 

vsprojects/vcxproj/grpc++_test_util/grpc++_test_util.vcxproj

@@ -202,6 +202,7 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\thrift_utils.h" />
   </ItemGroup>
   <ItemGroup>
+    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\echo_mock.grpc.pb.h" />
     <ClInclude Include="$(SolutionDir)\..\test\cpp\end2end\test_service_impl.h" />
     <ClInclude Include="$(SolutionDir)\..\test\cpp\util\byte_buffer_proto_helper.h" />
     <ClInclude Include="$(SolutionDir)\..\test\cpp\util\create_test_channel.h" />

vsprojects/vcxproj/grpc++_test_util/grpc++_test_util.vcxproj.filters

@@ -197,6 +197,9 @@
     </ClInclude>
   </ItemGroup>
   <ItemGroup>
+    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\echo_mock.grpc.pb.h">
+      <Filter>src\proto\grpc\testing</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\test\cpp\end2end\test_service_impl.h">
       <Filter>test\cpp\end2end</Filter>
     </ClInclude>