get npm install to work in canvas_quiz_statistics

Change-Id: I75419d9078997507bad466f5fb76d1fd02fdb642
Reviewed-on: https://gerrit.instructure.com/42174
Tested-by: Jenkins <jenkins@instructure.com>
Reviewed-by: Jon Jensen <jon@instructure.com>
Product-Review: Jon Jensen <jon@instructure.com>
QA-Review: Jon Jensen <jon@instructure.com>