spec/acfs/resource/dirty_spec.rb in acfs-1.7.0 vs spec/acfs/resource/dirty_spec.rb in acfs-2.0.0

@@ -11,10 +11,10 @@
     stub_request(:post, 'http://users.example.org/users')
       .to_return response id: 5, name: 'dhh', age: 12
   end
 
   it 'includes ActiveModel::Dirty' do
-    model.is_a? ActiveModel::Dirty
+    expect(model).to be_a ActiveModel::Dirty
   end
 
   describe '#changed?' do
     context 'after attribute change' do
       let(:user) { MyUser.new name: 'dhh' }