Removing parts of !ToggleDir test that fail after switching editor iframe to standards mode.   They were depending on behavior of down arrow and right arrow that isn't guaranteed.  Plus, the tests didn't seem very useful (beyond just checking the dir setting on the iframe).  Refs #16804.

git-svn-id: http://svn.dojotoolkit.org/src/dijit/trunk@30953 560b804f-0ae3-0310-86f3-f6aa0a117693
(cherry picked from commit 4e521fb509c3ab8bfcfdd93868294661a69bae73)
Massively speed up robot validationMessages tests

Refs #7681

(cherry picked from commit 2070514b8ad48c9308c6d76c4b81051e1e5daf34)
(cherry picked from commit 5463f819fa5c2779f56affcaf8b4815985aa7eae)
Throttle back speedup on validationMessages slightly

There are apparently some machine speed-depedent race conditions.

Refs #7681

(cherry picked from commit 9cf86295113c6ed9cb2ba8fcf34def861356929b)
(cherry picked from commit f8c5154cff8417c052686d1855acb3522109e895)