spec: add coverage for error reports index view
spec: add coverage for error reports index view

refs FOO-490
flag = none

test plan:
 * specs pass

Change-Id: Ie0d630c50216454d4a35fc62f1dbc3d199d65495
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/243005
Tested-by: Service Cloud Jenkins <9144042a601061f88f1e1d7a1753ea3e2972119d@instructure.com>
QA-Review: August Thornton <9adc7a1161ddf32ff608de792a7e50179545f026@instructure.com>
Product-Review: August Thornton <9adc7a1161ddf32ff608de792a7e50179545f026@instructure.com>
Reviewed-by: Charley Kline <05950d7e90ba5e3da323378368c22b3ffaaf6647@instructure.com>

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