message: Fix typo in testing/lib.rs link
diff: @@ -176,6 +176,6 @@ adding labels to triage issues:
  [E-mentor]: https://github.com/swc-project/swc/labels/E-mentor
  [Code of Conduct]: https://www.rust-lang.org/conduct.html
  [gitter]: https://gitter.im/swcproject/Lobby
  -[`tesitng/lib.rs`]: https://github.com/swc-project/swc/blob/master/testing/src/lib.rs
  +[`testing/lib.rs`]: https://github.com/swc-project/swc/blob/master/testing/src/lib.rs
  [irlo]: https://internals.rust-lang.org/
  [subcommands]: https://doc.rust-lang.org/cargo/reference/external-tools.html#custom-subcommands
  