Fix XSS vulnerability for web sites that have (strangely) included our test files and test runner as part of their dojo/ directory.  Fixes #10773 !strict.
Fix XSS vulnerability for web sites that have (strangely) included our test files and test runner as part of their dojo/ directory.  Fixes #10773 !strict.

git-svn-id: 674a2d6b1e32e53f607eb824547723f32280967e@21405 560b804f-0ae3-0310-86f3-f6aa0a117693

redaktor/deliteful