reset bounce score when email is successfully changed

spec/controllers/users_email_controller_spec.rb

@@ -33,9 +33,17 @@ describe UsersEmailController do
       end
 
       it 'confirms with a correct token' do
+        user.user_stat.update_columns(bounce_score: 42, reset_bounce_score_after: 1.week.from_now)
+
         get :confirm, token: user.email_tokens.last.token
+
         expect(response).to be_success
         expect(assigns(:update_result)).to eq(:complete)
+
+        user.reload
+
+        expect(user.user_stat.bounce_score).to eq(0)
+        expect(user.user_stat.reset_bounce_score_after).to eq(nil)
       end
     end
   end