clang-format: always break template declarations

To better match the defined openbmc style.

Change-Id: I68cda43857768bae4c904c367942cb1f0efa3e0c
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/test/message/types.cpp b/test/message/types.cpp
index a6df2f4..327fe71 100644
--- a/test/message/types.cpp
+++ b/test/message/types.cpp
@@ -3,7 +3,8 @@
 
 #include <gtest/gtest.h>
 
-template <typename... Args> auto dbus_string(Args&&... args)
+template <typename... Args>
+auto dbus_string(Args&&... args)
 {
     return std::string(sdbusplus::utility::tuple_to_array(
                            sdbusplus::message::types::type_id<Args...>())