message: Align unsafety of test configuration drop-in fns
  This fixes unused_unsafe in test configuration
diff: @@ -71,9 +71,9 @@ pub use crate::arch::x86_64::kernel::{
  };
  #[cfg(test)]
  -pub fn switch_to_task(_old_stack: *mut usize, _new_stack: usize) {}
  +pub unsafe fn switch_to_task(_old_stack: *mut usize, _new_stack: usize) {}
  #[cfg(test)]
  -pub fn switch_to_fpu_owner(_old_stack: *mut usize, _new_stack: usize) {}
  +pub unsafe fn switch_to_fpu_owner(_old_stack: *mut usize, _new_stack: usize) {}
  #[cfg(not(test))]
  extern "C" {
  