Updated testable statements wiki

Hi!

At the ARIA working group meeting today I realized that my magic script
that updates the wiki to make it more normalized had a bad bug.  I re-ran
it against the original input and have updated the broken bits.  Sorry!!!

[1] https://www.w3.org/wiki/ARIA_1.1_Testable_Statements

-- 
Shane McCarron
Projects Manager, Spec-Ops