uuid: fix incorrect uuid_equal conversion in test_uuid_test

Fixes: df33767d ("uuid: hoist helpers uuid_equal() and uuid_copy() from xfs")
Reported-by: Nkernel test robot <xiaolong.ye@intel.com>
Signed-off-by: NChristoph Hellwig <hch@lst.de>
Reviewed-by: NAmir Goldstein <amir73il@gmail.com>
Reviewed-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com>

lib/test_uuid.c

@@ -82,7 +82,7 @@ static void __init test_uuid_test(const struct test_uuid_data *data)
 		test_uuid_failed("conversion", false, true, data->uuid, NULL);
 
 	total_tests++;
-	if (uuid_equal(&data->be, &be)) {
+	if (!uuid_equal(&data->be, &be)) {
 		sprintf(buf, "%pUb", &be);
 		test_uuid_failed("cmp", false, true, data->uuid, buf);
 	}