Revert "Update test to work properly on IE"

This reverts commit c0af401a19249f020cc9271d53bffd3ea1d4c429.
Merge branch 'dev-3.x' of github.com:yui/yui3 into dev-3.x
Merge branch 'dev-3.x' of github.com:yui/yui3 into dev-3.x
Merge branch 'dev-3.x' of github.com:yui/yui3 into dev-3.x
Merge branch 'dev-3.x' of github.com:yui/yui3 into dev-3.x
Merge branch 'dev-3.x' of github.com:yui/yui3 into dev-3.x
add missing array-extras module
refactor get tests to use echoecho urls
remove unused helper functions and assets
get tests with random delays for stress testing
Addressed issue in which the legend did not honor specified series marker style for shape. Fix #706
Fix #743. Addressed issue in which styles don't map correctly to a legend when series are styled using a global style object.
Fix #701 Addressed rounding issue in svg implementation. This bug surfaces in edge cases of the PieChart in the charts module.
Merge dev-master into topic branch.
Use mock Y.Lang.now in Throttle tests
Cleared up merge conflicts in charts HISTORY.
Fixed merge conflicts with charts HISTORY.
Add unit tests for #706 and #743.
Merge branch 'issue701' into sprint7
implement @sdesai feedback from pull #721

- missing commas in single `var` declaration
- `getUniqueEchoecho404` for symmetry