Preserve line breaks in comments before test functions

This way line numbers match better in error messages.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/tests/scripts/test_generate_test_code.py b/tests/scripts/test_generate_test_code.py
index d8b8cf9..8b2bf78 100755
--- a/tests/scripts/test_generate_test_code.py
+++ b/tests/scripts/test_generate_test_code.py
@@ -766,6 +766,7 @@
 
 
 
+
 void test_func()
 {
     ba ba black sheep