tests: Adapt PSA tests to openless APIs

psa_key_handle_equal() is removed as not used
anymore.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/tests/suites/test_suite_x509write.function b/tests/suites/test_suite_x509write.function
index 1dd2642..9f2007d 100644
--- a/tests/suites/test_suite_x509write.function
+++ b/tests/suites/test_suite_x509write.function
@@ -161,7 +161,7 @@
                                  int cert_type )
 {
     mbedtls_pk_context key;
-    psa_key_handle_t slot = PSA_KEY_HANDLE_INIT;
+    mbedtls_svc_key_id_t key_id = MBEDTLS_SVC_KEY_ID_INIT;
     psa_algorithm_t md_alg_psa;
     mbedtls_x509write_csr req;
     unsigned char buf[4096];
@@ -178,7 +178,7 @@
 
     mbedtls_pk_init( &key );
     TEST_ASSERT( mbedtls_pk_parse_keyfile( &key, key_file, NULL ) == 0 );
-    TEST_ASSERT( mbedtls_pk_wrap_as_opaque( &key, &slot, md_alg_psa ) == 0 );
+    TEST_ASSERT( mbedtls_pk_wrap_as_opaque( &key, &key_id, md_alg_psa ) == 0 );
 
     mbedtls_x509write_csr_init( &req );
     mbedtls_x509write_csr_set_md_alg( &req, md_type );
@@ -202,7 +202,7 @@
 exit:
     mbedtls_x509write_csr_free( &req );
     mbedtls_pk_free( &key );
-    psa_destroy_key( slot );
+    psa_destroy_key( key_id );
     PSA_DONE( );
 }
 /* END_CASE */