Fix the argument order of some assertions
Fix the argument order of some assertions

Error messages assume the order `actual, expected`.

Using
https://github.com/platinumazure/eslint-plugin-qunit/blob/master/docs/rules/literal-compare-order.md
I was able to automatically detect some of our tests which don't follow this
convention. I'm sure there are others.

rlugojr/underscore,rlugojr/underscore,jdelbello/underscore,documentcloud/underscore,tnga/underscore-es,jashkenas/underscore,jdelbello/underscore,documentcloud/underscore,akre54/underscore,keepgoingwm/underscore,jashkenas/underscore,tnga/underscore-es,keepgoingwm/underscore,akre54/underscore