spec: once-ler spec/controllers/[m-q]*

reduce runtime ~45% (4:46 -> 2:34)

Change-Id: If1190222d3077dabe62b8cba1b929f4855aad146
Reviewed-on: https://gerrit.instructure.com/38669
Tested-by: Jenkins <jenkins@instructure.com>
Reviewed-by: Landon Wilkins <lwilkins@instructure.com>
Product-Review: Jon Jensen <jon@instructure.com>
QA-Review: Jon Jensen <jon@instructure.com>