stop flaky spec
stop flaky spec

using fixed IDs will sometimes collide

TEST PLAN:
  1) specs should reliably pass
Change-Id: I098760b5193c911aa9b04c15989161241624c9df

Change-Id: If5c5b60ad70c015a74b46cd714ae9182067567df
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/251860
Reviewed-by: Rob Orton <7e09c9d3e96378bf549fc283fd6e1e5b7014cc33@instructure.com>
Tested-by: Service Cloud Jenkins <9144042a601061f88f1e1d7a1753ea3e2972119d@instructure.com>
QA-Review: Ethan Vizitei <73eeb0b2f65d05a906adf3b21ee1f9f5a2aa3c1c@instructure.com>
Product-Review: Ethan Vizitei <73eeb0b2f65d05a906adf3b21ee1f9f5a2aa3c1c@instructure.com>

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