test: adjust include after PK_CAN_ECDSA_SOME was moved

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>

tests/src/certs.c

@@ -25,7 +25,7 @@
 
 #include "mbedtls/legacy_or_psa.h"
 
-#include "pk_wrap.c"
+#include "mbedtls/pk.h"
 
 /*
  * Test CA Certificates

tests/suites/test_suite_debug.function

@@ -2,7 +2,7 @@
 #include "mbedtls/debug.h"
 #include "string.h"
 #include "mbedtls/legacy_or_psa.h"
-#include "pk_wrap.h"
+#include "pk.h"
 
 struct buffer_data {
     char buf[2000];

tests/suites/test_suite_ssl.function

@@ -6,7 +6,7 @@
 #include <ssl_tls13_keys.h>
 #include <ssl_tls13_invasive.h>
 #include "test/certs.h"
-#include "pk_wrap.h"
+#include "pk.h"
 
 #if defined(MBEDTLS_SSL_CACHE_C)
 #include "mbedtls/ssl_cache.h"