Fix clang-format script
diff --git a/test/cpp/interop/interop_client.cc b/test/cpp/interop/interop_client.cc
index 02e10a5..5169945 100644
--- a/test/cpp/interop/interop_client.cc
+++ b/test/cpp/interop/interop_client.cc
@@ -203,8 +203,7 @@
 }
 
 void InteropClient::DoPerRpcCreds(const grpc::string& json_key) {
-  gpr_log(GPR_INFO,
-          "Sending a unary rpc with per-rpc JWT access token ...");
+  gpr_log(GPR_INFO, "Sending a unary rpc with per-rpc JWT access token ...");
   SimpleRequest request;
   SimpleResponse response;
   request.set_fill_username(true);