errors += fail_not_equal( strncmp( payload_str, mbuf->payload, strlen( payload_str )), 0, "realloc payload (clone+nocopy) validation of unchanged payload fails" );
errors += fail_not_equal( strncmp( payload_str, mbuf->payload, strlen( payload_str )), 0, "realloc payload (clone+nocopy) validation of unchanged payload fails" );