Add `diff`
@@ -2212,6 +2212,7 @@ _Libraries for testing codebases and generating test data._
- [covergates](https://github.com/covergates/covergates) - Self-hosted code coverage report review and management service.
- [cupaloy](https://github.com/bradleyjkemp/cupaloy) - Simple snapshot testing addon for your test framework.
- [dbcleaner](https://github.com/khaiql/dbcleaner) - Clean database for testing purpose, inspired by `database_cleaner` in Ruby.
+ - [diff](https://github.com/terrastruct/diff) - Beautiful Git-style diffs to easily compare expected vs actual.
- [dsunit](https://github.com/viant/dsunit) - Datastore testing for SQL, NoSQL, structured files.
- [embedded-postgres](https://github.com/fergusstrange/embedded-postgres) - Run a real Postgres database locally on Linux, OSX or Windows as part of another Go application or test.
- [endly](https://github.com/viant/endly) - Declarative end to end functional testing.
