New qml testing tutorials!

[Alberto Salvia Novella]

Nicholas Skaggs:
> Most of what you see is agnostic in the fact that it's the same as
> TestCase. However, UbuntuTestCase adds a few things to make your life easier.

Yes, they seem to make life easier.

Do you know why the TestClase class developers weren't asked to include 
these in that class? Just for curiosity.

I say because the more agnostic a technology is, the most adopted and 
improved it normally is.

Regards.