Scroll test needs a little bit longer than the default timeout, at least on FF3/mac.   It's taking 8s on my machine but setting timeout to 20s for safety.   Refs #7681.
Scroll test needs a little bit longer than the default timeout, at least on FF3/mac.   It's taking 8s on my machine but setting timeout to 20s for safety.   Refs #7681.

git-svn-id: 674a2d6b1e32e53f607eb824547723f32280967e@16844 560b804f-0ae3-0310-86f3-f6aa0a117693

redaktor/deliteful