Fix formatting

Change-Id: Ifff22c32adb05098c458f0ddabc24e2c310c2ce3
diff --git a/tests/wait-a-bit-longer.cpp b/tests/wait-a-bit-longer.cpp
index 8ec4f4b..a29f3a2 100644
--- a/tests/wait-a-bit-longer.cpp
+++ b/tests/wait-a-bit-longer.cpp
@@ -1,5 +1,5 @@
-#include <doctest/doctest.h>
 #include <chrono>
+#include <doctest/doctest.h>
 #include <thread>
 #include <trompeloeil.hpp>