Update file paths for moved files

Signed-off-by: David Horstmann <david.horstmann@arm.com>
diff --git a/tests/data_files/test_certs.h.jinja2 b/tests/data_files/test_certs.h.jinja2
index f2657d8..c420c79 100644
--- a/tests/data_files/test_certs.h.jinja2
+++ b/tests/data_files/test_certs.h.jinja2
@@ -5,7 +5,7 @@
  *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
  */
 
-/* THIS FILE is generated by `tests/scripts/generate_test_cert_macros.py` */
+/* THIS FILE is generated by `framework/scripts/generate_test_cert_macros.py` */
 /* *INDENT-OFF* */
 
 {% for mode, name, value in macros %}