clang-format c++ code under examples
diff --git a/examples/pubsub/subscriber_test.cc b/examples/pubsub/subscriber_test.cc
index 2b689d2..9ab60ed 100644
--- a/examples/pubsub/subscriber_test.cc
+++ b/examples/pubsub/subscriber_test.cc
@@ -93,7 +93,6 @@
                      proto2::Empty* response) GRPC_OVERRIDE {
     return Status::OK;
   }
-
 };
 
 class SubscriberTest : public ::testing::Test {
@@ -103,11 +102,13 @@
     int port = grpc_pick_unused_port_or_die();
     server_address_ << "localhost:" << port;
     ServerBuilder builder;
-    builder.AddListeningPort(server_address_.str(), grpc::InsecureServerCredentials());
+    builder.AddListeningPort(server_address_.str(),
+                             grpc::InsecureServerCredentials());
     builder.RegisterService(&service_);
     server_ = builder.BuildAndStart();
 
-    channel_ = CreateChannel(server_address_.str(), grpc::InsecureCredentials(), ChannelArguments());
+    channel_ = CreateChannel(server_address_.str(), grpc::InsecureCredentials(),
+                             ChannelArguments());
 
     subscriber_.reset(new grpc::examples::pubsub::Subscriber(channel_));
   }
@@ -127,17 +128,15 @@
 };
 
 TEST_F(SubscriberTest, TestSubscriber) {
-  EXPECT_TRUE(subscriber_->CreateSubscription(kTopic,
-                                              kSubscriptionName).IsOk());
+  EXPECT_TRUE(
+      subscriber_->CreateSubscription(kTopic, kSubscriptionName).IsOk());
 
   grpc::string topic;
-  EXPECT_TRUE(subscriber_->GetSubscription(kSubscriptionName,
-                                           &topic).IsOk());
+  EXPECT_TRUE(subscriber_->GetSubscription(kSubscriptionName, &topic).IsOk());
   EXPECT_EQ(topic, kTopic);
 
   grpc::string data;
-  EXPECT_TRUE(subscriber_->Pull(kSubscriptionName,
-                                &data).IsOk());
+  EXPECT_TRUE(subscriber_->Pull(kSubscriptionName, &data).IsOk());
 
   EXPECT_TRUE(subscriber_->DeleteSubscription(kSubscriptionName).IsOk());
 }