change test function includes to use one convention
diff --git a/tests/suites/test_suite_pem.function b/tests/suites/test_suite_pem.function
index e8b05eb..f8aab47 100644
--- a/tests/suites/test_suite_pem.function
+++ b/tests/suites/test_suite_pem.function
@@ -1,6 +1,6 @@
 /* BEGIN_HEADER */
-#include <polarssl/base64.h>
-#include <polarssl/pem.h>
+#include "polarssl/base64.h"
+#include "polarssl/pem.h"
 /* END_HEADER */
 
 /* BEGIN_DEPENDENCIES