test RCE instfs uploads
test RCE instfs uploads

closes RECNVS-336

test plan:
    run this spec in e2e environment

Change-Id: Ic0ff67cf7b121795566d6d3b9f55d779acf57d84
Reviewed-on: https://gerrit.instructure.com/142113
Tested-by: Jenkins
Reviewed-by: Michael Jasper <819c41762b58bd7239b7b306020cdf805d18476f@instructure.com>
Product-Review: Collin Parrish <aa381382ccdcc876f5cf7879d921ed03200f6804@instructure.com>
QA-Review: Collin Parrish <aa381382ccdcc876f5cf7879d921ed03200f6804@instructure.com>

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