spec: fix draft state spec

setup comes before before(:all), so Account.default wasn't working
correctly

refs CNVS-7032

Change-Id: Ib14c5247fda27145b7c7f5aace22ce75029cae3e
Reviewed-on: https://gerrit.instructure.com/28788
Tested-by: Jenkins <jenkins@instructure.com>
Reviewed-by: Nick Cloward <ncloward@instructure.com>
QA-Review: Cody Cutrer <cody@instructure.com>
Product-Review: Cody Cutrer <cody@instructure.com>