fix type of buttons in test_TitlePane.html test file, refs #15793
fix type of buttons in test_TitlePane.html test file, refs #15793

git-svn-id: 674a2d6b1e32e53f607eb824547723f32280967e@30342 560b804f-0ae3-0310-86f3-f6aa0a117693

redaktor/deliteful