Minor reviewer suggestions

app/workers/issue_placement_worker.rb

@@ -27,8 +27,7 @@ class IssuePlacementWorker
       .limit(QUERY_LIMIT + 1)
       .to_a
 
-    leftover = to_place.last if to_place.count > QUERY_LIMIT
-    to_place = to_place.take(QUERY_LIMIT)
+    leftover = to_place.pop if to_place.count > QUERY_LIMIT
 
     Issue.move_nulls_to_end(to_place)
     Issues::BaseService.new(nil).rebalance_if_needed(to_place.max_by(&:relative_position))

spec/workers/issue_placement_worker_spec.rb

@@ -38,7 +38,7 @@ RSpec.describe IssuePlacementWorker do
     end
 
     context 'there are more than QUERY_LIMIT unplaced issues' do
-      let_it_be(:unplaced) do
+      before_all do
         # Ensure there are more than N issues in this set
         n = described_class::QUERY_LIMIT
         create_list(:issue, n - 5, **unplaced)