Cleanup formatting

Wew, that's a lot of stuff. But I thought it makes sense after the
sysrepo migration.

Change-Id: If363d2ce1b11106113a9f0c37a3bcd59a940bd0b
diff --git a/tests/yang.cpp b/tests/yang.cpp
index 93e5925..1ec6507 100644
--- a/tests/yang.cpp
+++ b/tests/yang.cpp
@@ -6,10 +6,10 @@
  *
 */
 
+#include "trompeloeil_doctest.hpp"
 #include <experimental/iterator>
 #include "leaf_data_helpers.hpp"
 #include "pretty_printers.hpp"
-#include "trompeloeil_doctest.hpp"
 #include "yang_schema.hpp"
 
 const char* second_schema = R"(