Added sanity check for trailing newlines
diff --git a/src/csharp/Grpc.HealthCheck.Tests/HealthClientServerTest.cs b/src/csharp/Grpc.HealthCheck.Tests/HealthClientServerTest.cs
index d90f21c..c7e1547 100644
--- a/src/csharp/Grpc.HealthCheck.Tests/HealthClientServerTest.cs
+++ b/src/csharp/Grpc.HealthCheck.Tests/HealthClientServerTest.cs
@@ -93,4 +93,4 @@
 
         // TODO(jtattermusch): add test with timeout once timeouts are supported
     }
-}
\ No newline at end of file
+}