ENH: Add InteractionStyle to rendering tests

When tests are run with -I they must be linked with InteractionStyle.

On the Mac, tests must be linked with MACOSX_BUNDLE to get keyboard
focus.

Change-Id: I938c4b6a5a44ca5792f5eeaaa946cc9fb27e1110
Merge topic 'AddInteractionsToTests' into master

f83d821a ENH: Add InteractionStyle to rendering tests