diff --git a/test/cpp/end2end/async_end2end_test.cc b/test/cpp/end2end/async_end2end_test.cc
index 62023b2..3f8ed0b 100644
--- a/test/cpp/end2end/async_end2end_test.cc
+++ b/test/cpp/end2end/async_end2end_test.cc
@@ -186,7 +186,7 @@
     build_bad.AddListeningPort(server_address_.str(),
                                grpc::InsecureServerCredentials());
     build_bad.RegisterAsyncService(&service_);
-    grpc::testing::TestService::Service sync_service;
+    grpc::testing::EchoTestService::Service sync_service;
     build_bad.RegisterService(&sync_service);
     GPR_ASSERT(build_bad.BuildAndStart() == nullptr);
 
@@ -211,7 +211,7 @@
   void ResetStub() {
     std::shared_ptr<Channel> channel =
         CreateChannel(server_address_.str(), InsecureChannelCredentials());
-    stub_ = grpc::testing::TestService::NewStub(channel);
+    stub_ = grpc::testing::EchoTestService::NewStub(channel);
   }
 
   void SendRpc(int num_rpcs) {
@@ -249,9 +249,9 @@
   }
 
   std::unique_ptr<ServerCompletionQueue> cq_;
-  std::unique_ptr<grpc::testing::TestService::Stub> stub_;
+  std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
   std::unique_ptr<Server> server_;
-  grpc::testing::TestService::AsyncService service_;
+  grpc::testing::EchoTestService::AsyncService service_;
   std::ostringstream server_address_;
 };
 
diff --git a/test/cpp/end2end/client_crash_test.cc b/test/cpp/end2end/client_crash_test.cc
index 68c63b2..88e1d85 100644
--- a/test/cpp/end2end/client_crash_test.cc
+++ b/test/cpp/end2end/client_crash_test.cc
@@ -63,7 +63,7 @@
  protected:
   CrashTest() {}
 
-  std::unique_ptr<grpc::testing::TestService::Stub> CreateServerAndStub() {
+  std::unique_ptr<grpc::testing::EchoTestService::Stub> CreateServerAndStub() {
     auto port = grpc_pick_unused_port_or_die();
     std::ostringstream addr_stream;
     addr_stream << "localhost:" << port;
@@ -72,7 +72,7 @@
         g_root + "/client_crash_test_server", "--address=" + addr,
     }));
     GPR_ASSERT(server_);
-    return grpc::testing::TestService::NewStub(
+    return grpc::testing::EchoTestService::NewStub(
         CreateChannel(addr, InsecureChannelCredentials()));
   }
 
diff --git a/test/cpp/end2end/client_crash_test_server.cc b/test/cpp/end2end/client_crash_test_server.cc
index f9a9c18..9568ca2 100644
--- a/test/cpp/end2end/client_crash_test_server.cc
+++ b/test/cpp/end2end/client_crash_test_server.cc
@@ -31,10 +31,10 @@
  *
  */
 
+#include <gflags/gflags.h>
 #include <iostream>
 #include <memory>
 #include <string>
-#include <gflags/gflags.h>
 
 #include <grpc++/server.h>
 #include <grpc++/server_builder.h>
@@ -56,7 +56,8 @@
 namespace grpc {
 namespace testing {
 
-class ServiceImpl GRPC_FINAL : public ::grpc::testing::TestService::Service {
+class ServiceImpl GRPC_FINAL
+    : public ::grpc::testing::EchoTestService::Service {
   Status BidiStream(ServerContext* context,
                     ServerReaderWriter<EchoResponse, EchoRequest>* stream)
       GRPC_OVERRIDE {
diff --git a/test/cpp/end2end/end2end_test.cc b/test/cpp/end2end/end2end_test.cc
index 28f8a8e..6fb16aa 100644
--- a/test/cpp/end2end/end2end_test.cc
+++ b/test/cpp/end2end/end2end_test.cc
@@ -196,10 +196,10 @@
 const char TestAuthMetadataProcessor::kGoodGuy[] = "Dr Jekyll";
 const char TestAuthMetadataProcessor::kIdentityPropName[] = "novel identity";
 
-class Proxy : public ::grpc::testing::TestService::Service {
+class Proxy : public ::grpc::testing::EchoTestService::Service {
  public:
   Proxy(std::shared_ptr<Channel> channel)
-      : stub_(grpc::testing::TestService::NewStub(channel)) {}
+      : stub_(grpc::testing::EchoTestService::NewStub(channel)) {}
 
   Status Echo(ServerContext* server_context, const EchoRequest* request,
               EchoResponse* response) GRPC_OVERRIDE {
@@ -209,10 +209,10 @@
   }
 
  private:
-  std::unique_ptr< ::grpc::testing::TestService::Stub> stub_;
+  std::unique_ptr< ::grpc::testing::EchoTestService::Stub> stub_;
 };
 
-class TestServiceImpl : public ::grpc::testing::TestService::Service {
+class TestServiceImpl : public ::grpc::testing::EchoTestService::Service {
  public:
   TestServiceImpl() : signal_client_(false), host_() {}
   explicit TestServiceImpl(const grpc::string& host)
@@ -344,7 +344,7 @@
 };
 
 class TestServiceImplDupPkg
-    : public ::grpc::testing::duplicate::TestService::Service {
+    : public ::grpc::testing::duplicate::EchoTestService::Service {
  public:
   Status Echo(ServerContext* context, const EchoRequest* request,
               EchoResponse* response) GRPC_OVERRIDE {
@@ -435,12 +435,12 @@
       channel_ = CreateChannel(proxyaddr.str(), InsecureChannelCredentials());
     }
 
-    stub_ = grpc::testing::TestService::NewStub(channel_);
+    stub_ = grpc::testing::EchoTestService::NewStub(channel_);
   }
 
   bool is_server_started_;
   std::shared_ptr<Channel> channel_;
-  std::unique_ptr<grpc::testing::TestService::Stub> stub_;
+  std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
   std::unique_ptr<Server> server_;
   std::unique_ptr<Server> proxy_server_;
   std::unique_ptr<Proxy> proxy_service_;
@@ -451,7 +451,7 @@
   TestServiceImplDupPkg dup_pkg_service_;
 };
 
-static void SendRpc(grpc::testing::TestService::Stub* stub, int num_rpcs) {
+static void SendRpc(grpc::testing::EchoTestService::Stub* stub, int num_rpcs) {
   EchoRequest request;
   EchoResponse response;
   request.set_message("Hello hello hello hello");
@@ -561,8 +561,8 @@
   EXPECT_EQ(response.message(), request.message());
   EXPECT_TRUE(s.ok());
 
-  std::unique_ptr<grpc::testing::duplicate::TestService::Stub> dup_pkg_stub(
-      grpc::testing::duplicate::TestService::NewStub(channel_));
+  std::unique_ptr<grpc::testing::duplicate::EchoTestService::Stub> dup_pkg_stub(
+      grpc::testing::duplicate::EchoTestService::NewStub(channel_));
   ClientContext context2;
   s = dup_pkg_stub->Echo(&context2, request, &response);
   EXPECT_EQ("no package", response.message());
diff --git a/test/cpp/end2end/generic_end2end_test.cc b/test/cpp/end2end/generic_end2end_test.cc
index 14b534f..c5d9de3 100644
--- a/test/cpp/end2end/generic_end2end_test.cc
+++ b/test/cpp/end2end/generic_end2end_test.cc
@@ -33,24 +33,24 @@
 
 #include <memory>
 
-#include <grpc/grpc.h>
-#include <grpc/support/thd.h>
-#include <grpc/support/time.h>
-#include <grpc++/impl/proto_utils.h>
 #include <grpc++/channel.h>
 #include <grpc++/client_context.h>
 #include <grpc++/create_channel.h>
 #include <grpc++/generic/async_generic_service.h>
 #include <grpc++/generic/generic_stub.h>
+#include <grpc++/impl/proto_utils.h>
 #include <grpc++/server.h>
 #include <grpc++/server_builder.h>
 #include <grpc++/server_context.h>
 #include <grpc++/support/slice.h>
+#include <grpc/grpc.h>
+#include <grpc/support/thd.h>
+#include <grpc/support/time.h>
 #include <gtest/gtest.h>
 
+#include "src/proto/grpc/testing/echo.grpc.pb.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
-#include "src/proto/grpc/testing/echo.grpc.pb.h"
 
 using grpc::testing::EchoRequest;
 using grpc::testing::EchoResponse;
@@ -134,7 +134,7 @@
   void client_fail(int i) { verify_ok(&cli_cq_, i, false); }
 
   void SendRpc(int num_rpcs) {
-    const grpc::string kMethodName("/grpc.cpp.test.util.TestService/Echo");
+    const grpc::string kMethodName("/grpc.cpp.test.util.EchoTestService/Echo");
     for (int i = 0; i < num_rpcs; i++) {
       EchoRequest send_request;
       EchoRequest recv_request;
@@ -193,7 +193,7 @@
 
   CompletionQueue cli_cq_;
   std::unique_ptr<ServerCompletionQueue> srv_cq_;
-  std::unique_ptr<grpc::testing::TestService::Stub> stub_;
+  std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
   std::unique_ptr<grpc::GenericStub> generic_stub_;
   std::unique_ptr<Server> server_;
   AsyncGenericService generic_service_;
@@ -215,7 +215,8 @@
 TEST_F(GenericEnd2endTest, SimpleBidiStreaming) {
   ResetStub();
 
-  const grpc::string kMethodName("/grpc.cpp.test.util.TestService/BidiStream");
+  const grpc::string kMethodName(
+      "/grpc.cpp.test.util.EchoTestService/BidiStream");
   EchoRequest send_request;
   EchoRequest recv_request;
   EchoResponse send_response;
diff --git a/test/cpp/end2end/mock_test.cc b/test/cpp/end2end/mock_test.cc
index dddd1d0..36ff683 100644
--- a/test/cpp/end2end/mock_test.cc
+++ b/test/cpp/end2end/mock_test.cc
@@ -51,7 +51,7 @@
 
 using grpc::testing::EchoRequest;
 using grpc::testing::EchoResponse;
-using grpc::testing::TestService;
+using grpc::testing::EchoTestService;
 using std::chrono::system_clock;
 
 namespace grpc {
@@ -98,7 +98,7 @@
 };
 
 // Mocked stub.
-class MockStub : public TestService::StubInterface {
+class MockStub : public EchoTestService::StubInterface {
  public:
   MockStub() {}
   ~MockStub() {}
@@ -154,7 +154,7 @@
 
 class FakeClient {
  public:
-  explicit FakeClient(TestService::StubInterface* stub) : stub_(stub) {}
+  explicit FakeClient(EchoTestService::StubInterface* stub) : stub_(stub) {}
 
   void DoEcho() {
     ClientContext context;
@@ -197,13 +197,13 @@
     EXPECT_TRUE(s.ok());
   }
 
-  void ResetStub(TestService::StubInterface* stub) { stub_ = stub; }
+  void ResetStub(EchoTestService::StubInterface* stub) { stub_ = stub; }
 
  private:
-  TestService::StubInterface* stub_;
+  EchoTestService::StubInterface* stub_;
 };
 
-class TestServiceImpl : public TestService::Service {
+class TestServiceImpl : public EchoTestService::Service {
  public:
   Status Echo(ServerContext* context, const EchoRequest* request,
               EchoResponse* response) GRPC_OVERRIDE {
@@ -245,10 +245,10 @@
   void ResetStub() {
     std::shared_ptr<Channel> channel =
         CreateChannel(server_address_.str(), InsecureChannelCredentials());
-    stub_ = grpc::testing::TestService::NewStub(channel);
+    stub_ = grpc::testing::EchoTestService::NewStub(channel);
   }
 
-  std::unique_ptr<grpc::testing::TestService::Stub> stub_;
+  std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
   std::unique_ptr<Server> server_;
   std::ostringstream server_address_;
   TestServiceImpl service_;
diff --git a/test/cpp/end2end/server_crash_test.cc b/test/cpp/end2end/server_crash_test.cc
index 87ce636..e447360 100644
--- a/test/cpp/end2end/server_crash_test.cc
+++ b/test/cpp/end2end/server_crash_test.cc
@@ -31,21 +31,21 @@
  *
  */
 
-#include <grpc/grpc.h>
-#include <grpc/support/thd.h>
-#include <grpc/support/time.h>
 #include <grpc++/channel.h>
 #include <grpc++/client_context.h>
 #include <grpc++/create_channel.h>
 #include <grpc++/server.h>
 #include <grpc++/server_builder.h>
 #include <grpc++/server_context.h>
+#include <grpc/grpc.h>
+#include <grpc/support/thd.h>
+#include <grpc/support/time.h>
 #include <gtest/gtest.h>
 
+#include "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.h"
+#include "src/proto/grpc/testing/echo.grpc.pb.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
-#include "src/proto/grpc/testing/echo.grpc.pb.h"
-#include "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.h"
 #include "test/cpp/util/subprocess.h"
 
 using grpc::testing::EchoRequest;
@@ -59,7 +59,8 @@
 
 namespace {
 
-class ServiceImpl GRPC_FINAL : public ::grpc::testing::TestService::Service {
+class ServiceImpl GRPC_FINAL
+    : public ::grpc::testing::EchoTestService::Service {
  public:
   ServiceImpl() : bidi_stream_count_(0), response_stream_count_(0) {}
 
diff --git a/test/cpp/end2end/server_crash_test_client.cc b/test/cpp/end2end/server_crash_test_client.cc
index b349ae7..1981650 100644
--- a/test/cpp/end2end/server_crash_test_client.cc
+++ b/test/cpp/end2end/server_crash_test_client.cc
@@ -57,7 +57,7 @@
 
 int main(int argc, char** argv) {
   ParseCommandLineFlags(&argc, &argv, true);
-  auto stub = grpc::testing::TestService::NewStub(
+  auto stub = grpc::testing::EchoTestService::NewStub(
       grpc::CreateChannel(FLAGS_address, grpc::InsecureChannelCredentials()));
 
   EchoRequest request;
diff --git a/test/cpp/end2end/shutdown_test.cc b/test/cpp/end2end/shutdown_test.cc
index 50d4f6d..eec43d2 100644
--- a/test/cpp/end2end/shutdown_test.cc
+++ b/test/cpp/end2end/shutdown_test.cc
@@ -54,7 +54,7 @@
 namespace grpc {
 namespace testing {
 
-class TestServiceImpl : public ::grpc::testing::TestService::Service {
+class TestServiceImpl : public ::grpc::testing::EchoTestService::Service {
  public:
   explicit TestServiceImpl(gpr_event* ev) : ev_(ev) {}
 
@@ -94,7 +94,7 @@
   void ResetStub() {
     string target = "dns:localhost:" + to_string(port_);
     channel_ = CreateChannel(target, InsecureChannelCredentials());
-    stub_ = grpc::testing::TestService::NewStub(channel_);
+    stub_ = grpc::testing::EchoTestService::NewStub(channel_);
   }
 
   string to_string(const int number) {
@@ -115,7 +115,7 @@
 
  protected:
   std::shared_ptr<Channel> channel_;
-  std::unique_ptr<grpc::testing::TestService::Stub> stub_;
+  std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
   std::unique_ptr<Server> server_;
   bool shutdown_;
   int port_;
diff --git a/test/cpp/end2end/streaming_throughput_test.cc b/test/cpp/end2end/streaming_throughput_test.cc
index ca56347..61fdbe1 100644
--- a/test/cpp/end2end/streaming_throughput_test.cc
+++ b/test/cpp/end2end/streaming_throughput_test.cc
@@ -99,7 +99,7 @@
 namespace grpc {
 namespace testing {
 
-class TestServiceImpl : public ::grpc::testing::TestService::Service {
+class TestServiceImpl : public ::grpc::testing::EchoTestService::Service {
  public:
   static void BidiStream_Sender(
       ServerReaderWriter<EchoResponse, EchoRequest>* stream,
@@ -161,10 +161,10 @@
   void ResetStub() {
     std::shared_ptr<Channel> channel =
         CreateChannel(server_address_.str(), InsecureChannelCredentials());
-    stub_ = grpc::testing::TestService::NewStub(channel);
+    stub_ = grpc::testing::EchoTestService::NewStub(channel);
   }
 
-  std::unique_ptr<grpc::testing::TestService::Stub> stub_;
+  std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
   std::unique_ptr<Server> server_;
   std::ostringstream server_address_;
   TestServiceImpl service_;
diff --git a/test/cpp/end2end/thread_stress_test.cc b/test/cpp/end2end/thread_stress_test.cc
index 8efc645..594df97 100644
--- a/test/cpp/end2end/thread_stress_test.cc
+++ b/test/cpp/end2end/thread_stress_test.cc
@@ -74,7 +74,7 @@
 
 }  // namespace
 
-class TestServiceImpl : public ::grpc::testing::TestService::Service {
+class TestServiceImpl : public ::grpc::testing::EchoTestService::Service {
  public:
   TestServiceImpl() : signal_client_(false) {}
 
@@ -159,7 +159,7 @@
 };
 
 class TestServiceImplDupPkg
-    : public ::grpc::testing::duplicate::TestService::Service {
+    : public ::grpc::testing::duplicate::EchoTestService::Service {
  public:
   Status Echo(ServerContext* context, const EchoRequest* request,
               EchoResponse* response) GRPC_OVERRIDE {
@@ -191,10 +191,10 @@
   void ResetStub() {
     std::shared_ptr<Channel> channel =
         CreateChannel(server_address_.str(), InsecureChannelCredentials());
-    stub_ = grpc::testing::TestService::NewStub(channel);
+    stub_ = grpc::testing::EchoTestService::NewStub(channel);
   }
 
-  std::unique_ptr<grpc::testing::TestService::Stub> stub_;
+  std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
   std::unique_ptr<Server> server_;
   std::ostringstream server_address_;
   const int kMaxMessageSize_;
@@ -202,7 +202,7 @@
   TestServiceImplDupPkg dup_pkg_service_;
 };
 
-static void SendRpc(grpc::testing::TestService::Stub* stub, int num_rpcs) {
+static void SendRpc(grpc::testing::EchoTestService::Stub* stub, int num_rpcs) {
   EchoRequest request;
   EchoResponse response;
   request.set_message("Hello");
diff --git a/test/cpp/end2end/zookeeper_test.cc b/test/cpp/end2end/zookeeper_test.cc
index 802df6b..0040ebf 100644
--- a/test/cpp/end2end/zookeeper_test.cc
+++ b/test/cpp/end2end/zookeeper_test.cc
@@ -37,15 +37,15 @@
 #include <grpc++/server.h>
 #include <grpc++/server_builder.h>
 #include <grpc++/server_context.h>
-#include <gtest/gtest.h>
 #include <grpc/grpc.h>
 #include <grpc/grpc_zookeeper.h>
+#include <gtest/gtest.h>
 #include <zookeeper/zookeeper.h>
 
-#include "test/core/util/test_config.h"
-#include "test/core/util/port.h"
-#include "src/proto/grpc/testing/echo.grpc.pb.h"
 #include "src/core/support/env.h"
+#include "src/proto/grpc/testing/echo.grpc.pb.h"
+#include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
 
 using grpc::testing::EchoRequest;
 using grpc::testing::EchoResponse;
@@ -53,7 +53,8 @@
 namespace grpc {
 namespace testing {
 
-class ZookeeperTestServiceImpl : public ::grpc::testing::TestService::Service {
+class ZookeeperTestServiceImpl
+    : public ::grpc::testing::EchoTestService::Service {
  public:
   Status Echo(ServerContext* context, const EchoRequest* request,
               EchoResponse* response) GRPC_OVERRIDE {
@@ -157,7 +158,7 @@
   void ResetStub() {
     string target = "zookeeper://" + zookeeper_address_ + "/test";
     channel_ = CreateChannel(target, InsecureChannelCredentials());
-    stub_ = grpc::testing::TestService::NewStub(channel_);
+    stub_ = grpc::testing::EchoTestService::NewStub(channel_);
   }
 
   string to_string(const int number) {
@@ -167,7 +168,7 @@
   }
 
   std::shared_ptr<Channel> channel_;
-  std::unique_ptr<grpc::testing::TestService::Stub> stub_;
+  std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
   std::unique_ptr<Server> server1_;
   std::unique_ptr<Server> server2_;
   ZookeeperTestServiceImpl service_;
diff --git a/test/cpp/util/cli_call_test.cc b/test/cpp/util/cli_call_test.cc
index 94f5461..98f02d4 100644
--- a/test/cpp/util/cli_call_test.cc
+++ b/test/cpp/util/cli_call_test.cc
@@ -53,7 +53,7 @@
 namespace grpc {
 namespace testing {
 
-class TestServiceImpl : public ::grpc::testing::TestService::Service {
+class TestServiceImpl : public ::grpc::testing::EchoTestService::Service {
  public:
   Status Echo(ServerContext* context, const EchoRequest* request,
               EchoResponse* response) GRPC_OVERRIDE {
@@ -91,11 +91,11 @@
   void ResetStub() {
     channel_ =
         CreateChannel(server_address_.str(), InsecureChannelCredentials());
-    stub_ = grpc::testing::TestService::NewStub(channel_);
+    stub_ = grpc::testing::EchoTestService::NewStub(channel_);
   }
 
   std::shared_ptr<Channel> channel_;
-  std::unique_ptr<grpc::testing::TestService::Stub> stub_;
+  std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
   std::unique_ptr<Server> server_;
   std::ostringstream server_address_;
   TestServiceImpl service_;
@@ -115,7 +115,7 @@
   EXPECT_EQ(response.message(), request.message());
   EXPECT_TRUE(s.ok());
 
-  const grpc::string kMethod("/grpc.testing.TestService/Echo");
+  const grpc::string kMethod("/grpc.testing.EchoTestService/Echo");
   grpc::string request_bin, response_bin, expected_response_bin;
   EXPECT_TRUE(request.SerializeToString(&request_bin));
   EXPECT_TRUE(response.SerializeToString(&expected_response_bin));