use vector of UP as MultiSearch::Children

* add helper class for constructing MultiSearch::Children
  (mostly for unit tests)
* rewrite as needed to adapt

1 files changed, 1 insertions, 1 deletions

diff --git a/searchlib/src/tests/queryeval/weighted_set_term/weighted_set_term_test.cpp b/searchlib/src/tests/queryeval/weighted_set_term/weighted_set_term_test.cpp
index 85d2f3f4a37..8514a221230 100644
--- a/searchlib/src/tests/queryeval/weighted_set_term/weighted_set_term_test.cpp
+++ b/searchlib/src/tests/queryeval/weighted_set_term/weighted_set_term_test.cpp
@@ -123,7 +123,7 @@ struct MockFixture {
         mock = new MockSearch(initial);
         children.push_back(mock);
         weights.push_back(1);
-        search.reset(WeightedSetTermSearch::create(children, tfmd, weights, MatchData::UP(nullptr)));
+        search = WeightedSetTermSearch::create(children, tfmd, weights, MatchData::UP(nullptr));
     }
 };