Fix random CI failure due to non-deterministic sorting order

https://buildkite.com/rails/rails/builds/64636#dfbe4b16-0dcf-4e64-9b03-27264d5ac150/1008-1019

activerecord/test/cases/associations/has_many_associations_test.rb

@@ -2988,7 +2988,7 @@ def test_has_many_with_out_of_range_value
 
   def test_has_many_preloading_with_duplicate_records
     posts = Post.joins(:comments).preload(:comments).order(:id).to_a
-    assert_equal [1, 2], posts.first.comments.map(&:id)
+    assert_equal [1, 2], posts.first.comments.map(&:id).sort
   end
 
   private