Add and use td::any_of.

1 files changed, 1 insertions, 1 deletions

diff --git a/tdutils/test/ChainScheduler.cpp b/tdutils/test/ChainScheduler.cpp
index ba4cdbd15..5418cd13a 100644
--- a/tdutils/test/ChainScheduler.cpp
+++ b/tdutils/test/ChainScheduler.cpp
@@ -151,7 +151,7 @@ TEST(ChainScheduler, Stress) {
   };
 
   auto check_parents_ok = [&](const QueryWithParents &query_with_parents) -> bool {
-    return td::all_of(query_with_parents.parents, [](auto &parent) { return parent->is_ok; });
+    return td::all_of(query_with_parents.parents, [](const auto &parent) { return parent->is_ok; });
   };
 
   auto to_query_ptr = [&](TaskId task_id) {