test: add missing include in test_suite_x509parse

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
diff --git a/tests/suites/test_suite_x509parse.function b/tests/suites/test_suite_x509parse.function
index 7e68d1e..e7f3870 100644
--- a/tests/suites/test_suite_x509parse.function
+++ b/tests/suites/test_suite_x509parse.function
@@ -9,6 +9,7 @@
 #include "mbedtls/base64.h"
 #include "mbedtls/error.h"
 #include "string.h"
+#include "pk_wrap.h"
 
 #include "mbedtls/legacy_or_psa.h"