spec: account_spec syntax error fix

Change-Id: I5901fda68f39e55422008d21811cad5e00b62bf1
Reviewed-on: https://gerrit.instructure.com/42135
Tested-by: Jenkins <jenkins@instructure.com>
Reviewed-by: Adam Ard <aard@instructure.com>
Product-Review: Adam Ard <aard@instructure.com>
QA-Review: Adam Ard <aard@instructure.com>
Tested-by: Adam Ard <aard@instructure.com>