professional lightweight testing mini-framework for Go

 This is a lightweight testing mini-framework for Go.
 .
  - Easy to write and read
  - Beautifully simple API (https://godoc.org/github.com/matryer/is) with
    everything you need: is.Equal, is.True, is.NoErr, and is.Fail
  - Use comments to add descriptions (which show up when tests fail)