spec: refactor dashcards_spec for Chrome failure
spec: refactor dashcards_spec for Chrome failure

Change-Id: Idf692d6d7db57c65676b24789ad04ad0366b3020
Reviewed-on: https://gerrit.instructure.com/127414
Tested-by: Jenkins
Reviewed-by: KC Naegle <9fbecd016338f9910821a8a5d5d0ae4fc9abfaa5@instructure.com>
Product-Review: Anju Reddy <851202533fb1f0b615e4547ba226c76996d060dd@instructure.com>
QA-Review: Anju Reddy <851202533fb1f0b615e4547ba226c76996d060dd@instructure.com>

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