Bug 1095219 - Fix failing smart-home-test/unit/card_manager_test.js and re-enable it



https://bugzilla.mozilla.org/show_bug.cgi?id=1095219
This script is generated from taskcluster, which is our next-gen gaia-try. I see the same error when running locally using the ./bin/gaia-test script. How are you running the tests?