1 files changed, 4 insertions, 0 deletions
diff --git a/activerecord/test/cases/adapter_test.rb b/activerecord/test/cases/adapter_test.rb
index 02c7e47583..79642f5871 100644
--- a/activerecord/test/cases/adapter_test.rb
+++ b/activerecord/test/cases/adapter_test.rb
@@ -295,6 +295,10 @@ module ActiveRecord
         assert_equal "ы", error.message
       end
     end
+
+    def test_supports_multi_insert_is_deprecated
+      assert_deprecated { @connection.supports_multi_insert? }
+    end
   end
 
   class AdapterForeignKeyTest < ActiveRecord::TestCase