He means the unit tests. You can probably update this test to ensure it's on the content profile response:

https://github.com/oaeproject/Hilary/blob/master/node_modules/oae-preview-processor/tests/test-previews.js#L485

Once you no longer put the non-combined ones that test will be failing any way :) To get that test you run, you'll have to enable and properly configure your preview processor before running the test.