src: Run and display the time taken by unit tests to run in debug mode

Knowing how much time the editor took to run unit tests gives users
a notion of how fast it's performing on a given system.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/clock.hh b/src/clock.hh
index b4138de0..741c049c 100644
--- a/src/clock.hh
+++ b/src/clock.hh
@@ -8,6 +8,7 @@ namespace Kakoune
 
 using Clock = std::chrono::steady_clock;
 using TimePoint = Clock::time_point;
+using DurationMs = std::chrono::milliseconds;
 
 }