test instfs assignment submission integration
test instfs assignment submission integration

closes RECNVS-339

test plan:
    run this test in e2e instfs environment

Change-Id: I1edb781bc32d3d11a384410056d88adf4b370f73
Reviewed-on: https://gerrit.instructure.com/142145
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,sfu/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,djbender/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,djbender/canvas-lms,djbender/canvas-lms,djbender/canvas-lms,sfu/canvas-lms,sfu/canvas-lms