1 files changed, 6 insertions, 1 deletions
diff --git a/activerecord/test/cases/relation/mutation_test.rb b/activerecord/test/cases/relation/mutation_test.rb
index 1428b3e132..d6351bfe88 100644
--- a/activerecord/test/cases/relation/mutation_test.rb
+++ b/activerecord/test/cases/relation/mutation_test.rb
@@ -59,7 +59,7 @@ module ActiveRecord
       assert_equal [], relation.extending_values
     end
 
-    (Relation::SINGLE_VALUE_METHODS - [:lock, :reordering, :reverse_order, :create_with, :skip_query_cache]).each do |method|
+    (Relation::SINGLE_VALUE_METHODS - [:lock, :reordering, :reverse_order, :create_with, :skip_query_cache, :skip_preloading]).each do |method|
       test "##{method}!" do
         assert relation.public_send("#{method}!", :foo).equal?(relation)
         assert_equal :foo, relation.public_send("#{method}_value")
@@ -137,6 +137,11 @@ module ActiveRecord
       assert relation.skip_query_cache_value
     end
 
+    test "skip_preloading!" do
+      relation.skip_preloading!
+      assert relation.skip_preloading_value
+    end
+
     private
       def relation
         @relation ||= Relation.new(FakeKlass)