Fixfix: Fixed

[![Style](https://www.pullreview.com/assets/style-small.png)](https://purgatory.8thcolor.com/github/vanakenm/sandbox/reviews/feature/fixfix) Prefer single quoted strings when you don't need string interpolation or special symbols.[ `TestTest#even_better`](https://purgatory.8thcolor.com/github/vanakenm/sandbox/reviews/feature/fixfix)