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)
(cherry picked from commit 948bf4f763a5688843fac653709774558f755646)
fix IE9+ rounding error, refs #17969
Fix failure due to rounding in BorderContainer_complex 'resize accordion' test

(cherry picked from commit b43b229dac5342366263884fa7edaf0caf96208c)

Conflicts:
	tests/layout/robot/BorderContainer_complex.html