qa/667: tweak sleep delays
qa/667: tweak sleep delays

Increase from 8 to 10 seconds in a couple of places ... seems to make
the test more stable on slower VMs.

adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp