change build to test dependency

Author: berndpfrommer

package.xml

@@ -15,7 +15,6 @@
 
   <buildtool_depend>ament_cmake</buildtool_depend>
   <buildtool_depend>ament_cmake_ros</buildtool_depend>
-  <buildtool_depend>ament_cmake_clang_format</buildtool_depend>
   <buildtool_depend>pkg-config</buildtool_depend>
   <buildtool_depend>ros_environment</buildtool_depend>
 
@@ -34,6 +33,7 @@
 
   <test_depend>ament_lint_common</test_depend>
   <test_depend>ament_lint_auto</test_depend>
+  <test_depend>ament_cmake_clang_format</test_depend>
 
 
   <member_of_group>rosidl_interface_packages</member_of_group>