Cleans some of the tests.

- Fixes white space and indents.
- *DropdownMenu.jsx* is superseded by *DropdownMenuSpec.jsx*
Hmmm yeah agree, but lets leave it how you have it for now as thats consistent with the rest of the codebase but i think it might be worth in the future looking at removing this alignment as i'm not sure its worth the maintenance its causing :)