Add missing include

Fix build failures with config full

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
diff --git a/tests/src/test_helpers/ssl_helpers.c b/tests/src/test_helpers/ssl_helpers.c
index d1e3d9c..e8bbc78 100644
--- a/tests/src/test_helpers/ssl_helpers.c
+++ b/tests/src/test_helpers/ssl_helpers.c
@@ -21,6 +21,7 @@
  */
 
 #include <test/ssl_helpers.h>
+#include "md_psa.h"
 
 #if defined(MBEDTLS_SSL_TLS_C)
 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
diff --git a/tests/suites/test_suite_constant_time_hmac.function b/tests/suites/test_suite_constant_time_hmac.function
index 42b1e7c..9ee372b 100644
--- a/tests/suites/test_suite_constant_time_hmac.function
+++ b/tests/suites/test_suite_constant_time_hmac.function
@@ -3,6 +3,7 @@
 #include <mbedtls/constant_time.h>
 #include <mbedtls/md.h>
 #include <constant_time_internal.h>
+#include "md_psa.h"
 
 #include <test/constant_flow.h>
 /* END_HEADER */
diff --git a/tests/suites/test_suite_pk.function b/tests/suites/test_suite_pk.function
index eca46c8..7871140 100644
--- a/tests/suites/test_suite_pk.function
+++ b/tests/suites/test_suite_pk.function
@@ -16,6 +16,7 @@
  * but the test code generator requires test case data to be valid C code
  * unconditionally (https://github.com/Mbed-TLS/mbedtls/issues/2023). */
 #include "psa/crypto.h"
+#include "md_psa.h"
 
 /* Used for properly sizing the key buffer in pk_genkey_ec() */
 #include "mbedtls/psa_util.h"
diff --git a/tests/suites/test_suite_x509write.function b/tests/suites/test_suite_x509write.function
index c3b6768..ab4a2d0 100644
--- a/tests/suites/test_suite_x509write.function
+++ b/tests/suites/test_suite_x509write.function
@@ -7,6 +7,7 @@
 #include "mbedtls/rsa.h"
 #include "mbedtls/asn1write.h"
 #include "mbedtls/pk.h"
+#include "md_psa.h"
 
 #if defined(MBEDTLS_RSA_C)
 int mbedtls_rsa_decrypt_func(void *ctx, size_t *olen,