`ament_clang_format` and `colcon test`

I'm trying to format the C++ code of my node by using `ament_clang_format`.

The problem is that the code formatted with `ament_clang_format --reformat` conflicts with what's expected by `colcon test`.

There are many formatting rules used by `ament_clang_format` that are not the same:
* includes order
* brackets position
* ...