Add missing new-lines at end of file
diff --git a/examples/pubsub/subscriber_test.cc b/examples/pubsub/subscriber_test.cc
index 55eb7be..1fdcc8f 100644
--- a/examples/pubsub/subscriber_test.cc
+++ b/examples/pubsub/subscriber_test.cc
@@ -156,4 +156,4 @@
   int result = RUN_ALL_TESTS();
   grpc_shutdown();
   return result;
-}
\ No newline at end of file
+}