message: link to unit tests
diff: @@ -10,7 +10,7 @@ Version 4.6 includes security and bugfix updates to many dependencies, as well a
  We recommend updating both Botkit core and your platform adapter to the latest version.
  **New Features**
  -* Add a new `BotkitTestClient` class that makes it possible to write unit tests for dialogs, see [DOCS HERE](https://botkit.ai/docs/v4/reference/core.html#BotkitTestClient) --- [HUGE HUGE thanks to @qwertyuu for leading the effort on this!](https://github.com/howdyai/botkit/pull/1815)
  +* Add a new `BotkitTestClient` class that makes it possible to write unit tests for dialogs. See [EXAMPLE UNIT TESTS HERE](https://github.com/howdyai/botkit/blob/master/packages/botkit/tests/Dialog.tests.js) -- [HUGE HUGE thanks to @qwertyuu for leading the effort on this!](https://github.com/howdyai/botkit/pull/1815)
  * Support .ts (or parameterized) file extensions for loadModules [Thanks to @mutmatt for the PR](https://github.com/howdyai/botkit/pull/1777)
  * The `text` field in a BotkitConversations can now be a function, which can be used to generated internationalized strings. [Thanks to @cooperka for the PR](https://github.com/howdyai/botkit/pull/1747)
  * Add `convo.stop()` to allow conversation to be ended inside a handler.
  