2 files changed, 2 insertions, 4 deletions
diff --git a/activerecord/test/cases/associations/eager_test.rb b/activerecord/test/cases/associations/eager_test.rb
index f18c6177ac..6e0cf30092 100644
--- a/activerecord/test/cases/associations/eager_test.rb
+++ b/activerecord/test/cases/associations/eager_test.rb
@@ -1218,6 +1218,7 @@ class EagerAssociationTest < ActiveRecord::TestCase
 
     client = assert_queries(2) { Client.preload(:firm).find(c.id) }
     assert_no_queries { assert_nil client.firm }
+    assert_equal c.client_of, client.client_of
   end
 
   def test_preloading_empty_belongs_to_polymorphic
@@ -1225,6 +1226,7 @@ class EagerAssociationTest < ActiveRecord::TestCase
 
     tagging = assert_queries(2) { Tagging.preload(:taggable).find(t.id) }
     assert_no_queries { assert_nil tagging.taggable }
+    assert_equal t.taggable_id, tagging.taggable_id
   end
 
   def test_preloading_through_empty_belongs_to
diff --git a/activerecord/test/cases/associations/has_many_associations_test.rb b/activerecord/test/cases/associations/has_many_associations_test.rb
index 00821f2319..a64432fae7 100644
--- a/activerecord/test/cases/associations/has_many_associations_test.rb
+++ b/activerecord/test/cases/associations/has_many_associations_test.rb
@@ -497,8 +497,6 @@ class HasManyAssociationsTest < ActiveRecord::TestCase
     person = Person.new
     person.first_name = "Naruto"
     person.references << Reference.new
-    person.id = 10
-    person.references
     person.save!
     assert_equal 1, person.references.update_all(favourite: true)
   end
@@ -507,8 +505,6 @@ class HasManyAssociationsTest < ActiveRecord::TestCase
     person = Person.new
     person.first_name = "Sasuke"
     person.references << Reference.new
-    person.id = 10
-    person.references
     person.save!
     assert_predicate person.references, :exists?
   end