Test delegation of Relation to Array#intersect? only in Ruby >= 3.1.0

activerecord/test/cases/relation/delegation_test.rb

@@ -9,7 +9,7 @@
 module ActiveRecord
   module DelegationTests
     ARRAY_DELEGATES = [
-      :+, :-, :|, :&, :[], :shuffle, :intersect?,
+      :+, :-, :|, :&, :[], :shuffle,
       :all?, :collect, :compact, :detect, :each, :each_cons, :each_with_index,
       :exclude?, :find_all, :flat_map, :group_by, :include?, :length,
       :map, :none?, :one?, :partition, :reject, :reverse, :rotate,
@@ -18,6 +18,8 @@ module DelegationTests
       :in_groups, :in_groups_of, :to_sentence, :to_formatted_s, :to_fs, :as_json
     ]
 
+    ARRAY_DELEGATES << :intersect? if RUBY_VERSION >= "3.1.0"
+
     ARRAY_DELEGATES.each do |method|
       define_method "test_delegates_#{method}_to_Array" do
         assert_respond_to target, method
@@ -53,7 +55,6 @@ def target
     end
   end
 
-
   class QueryingMethodsDelegationTest < ActiveRecord::TestCase
     QUERYING_METHODS =
       ActiveRecord::Batches.public_instance_methods(false) +