(maint) Switch confine for basic test during acc dependency installation

The way we were using confine was wrong, and since this is now more strict
in beaker it was throwing errors in the master smoke tests. This patch
just replaces it for a basic include? on the master platform instead.

Signed-off-by: Ken Barber <ken@bob.sh>
Merge pull request #1027 from kbarber/maint/master/fix-acceptance-confine-logic

(maint) Switch confine for basic test during acc dependency installation