test: use proper macros for PSA init/done

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
diff --git a/tests/suites/test_suite_pkparse.function b/tests/suites/test_suite_pkparse.function
index 5e4f3b7..d7c2d0b 100644
--- a/tests/suites/test_suite_pkparse.function
+++ b/tests/suites/test_suite_pkparse.function
@@ -101,10 +101,7 @@
     mbedtls_pk_context ctx;
     int res;
 
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-    PSA_INIT();
-#endif
-
+    USE_PSA_INIT();
     mbedtls_pk_init(&ctx);
 
     res = mbedtls_pk_parse_keyfile(&ctx, key_file, password,
@@ -121,9 +118,7 @@
 
 exit:
     mbedtls_pk_free(&ctx);
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-    PSA_DONE();
-#endif
+    USE_PSA_DONE();
 }
 /* END_CASE */