WIP Fix adding widgets 71439546

Widgets get added twice
- When you drag a widget to the Main area it also gets added to Aside Before Main. 
- When you drag a widget to Aside Before Main it also gets added to Aside After Main
https://www.pivotaltracker.com/story/show/71439546

Drag and drop specs failed intermittently due to browser window size, so setting the browser window size should allow them to not be marked pending.