diff --git a/test/functional/issues_controller_test.rb b/test/functional/issues_controller_test.rb
index 0431bb198..9fe0b2dca 100644
--- a/test/functional/issues_controller_test.rb
+++ b/test/functional/issues_controller_test.rb
@@ -1425,12 +1425,17 @@ class IssuesControllerTest < ActionController::TestCase
   end
 
   def test_show_export_to_pdf_with_changesets
-    Issue.find(3).changesets = Changeset.find_all_by_id(100, 101, 102)
-
-    get :show, :id => 3, :format => 'pdf'
-    assert_response :success
-    assert_equal 'application/pdf', @response.content_type
-    assert @response.body.starts_with?('%PDF')
+    [[100], [100, 101], [100, 101, 102]].each do |cs|
+      issue1 = Issue.find(3)
+      issue1.changesets = Changeset.find(cs)
+      issue1.save!
+      issue = Issue.find(3)
+      assert_equal issue.changesets.count, cs.size
+      get :show, :id => 3, :format => 'pdf'
+      assert_response :success
+      assert_equal 'application/pdf', @response.content_type
+      assert @response.body.starts_with?('%PDF')
+    end
   end
 
   def test_show_invalid_should_respond_with_404