rails 5: fix a recent spec failure
rails 5: fix a recent spec failure

Change-Id: I77e30b400deb3f7d06ea9303d2b0a4246be8e793
Reviewed-on: https://gerrit.instructure.com/110735
Tested-by: Jenkins
Reviewed-by: Tyler Pickett <3f20fcf21b1970c94966160adcf831eedd808a06@instructure.com>
Product-Review: Cody Cutrer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@instructure.com>
QA-Review: Cody Cutrer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@instructure.com>

sfu/canvas-lms,venturehive/canvas-lms,sfu/canvas-lms,venturehive/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,djbender/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,venturehive/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,djbender/canvas-lms,djbender/canvas-lms,instructure/canvas-lms,venturehive/canvas-lms