raise PHPUnit default timeouts

default ..  2s -> 10s
medium ... 10s -> 30s

I originally thought that using PHPUnit timeout system was a good idea
but that is causing more harm than being helpful. Now default to ten
seconds.

Change-Id: If10a9b6df967130838a253d986b2ed623d8e3b0a
Merge "raise PHPUnit default timeouts"