Add PKCS5/12 dependecies to pkparse tests

Signed-off-by: Waleed Elmelegy <waleed.elmelegy@arm.com>
diff --git a/tests/suites/test_suite_pkparse.function b/tests/suites/test_suite_pkparse.function
index 257e115..91c4aeb 100644
--- a/tests/suites/test_suite_pkparse.function
+++ b/tests/suites/test_suite_pkparse.function
@@ -157,13 +157,18 @@
 
     mbedtls_pk_init(&pk);
     USE_PSA_INIT();
-
-    TEST_ASSERT(mbedtls_pk_parse_key_pkcs8_encrypted_der(&pk, buf->x, buf->len,
+#if defined(MBEDTLS_PKCS12_C) || defined(MBEDTLS_PKCS5_C)
+    TEST_EQUAL(mbedtls_pk_parse_key_pkcs8_encrypted_der(&pk, buf->x, buf->len,
                                                          pass->x, pass->len,
                                                          mbedtls_test_rnd_std_rand,
-                                                         NULL) == result);
-
+                                                         NULL), result);
 exit:
+#else
+    (void) buf;
+    (void) pass;
+    (void) result;
+#endif
+
     mbedtls_pk_free(&pk);
     USE_PSA_DONE();
 }