[ci skip] document Jest/Watchman issue and common workaround (#334)

nytimes · Dec 9, 2016 · 580b1cc · 580b1cc
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@@ -137,6 +137,12 @@ Runs Jest with `--coverage`.
 You can update the Jest configuration by defining a `modifyJestConfig` function in your `kyt.config.js`.
 See [modifyJestConfig](/docs/kytConfig.md#modifyJestConfig) instructions.
 
+### Troubleshooting
+
+#### Tests are hanging and/or `test-watch` is broken on OSX Sierra 
+
+See [facebook/jest#1767](https://github.com/facebook/jest/issues/1767) for various workarounds, the most common of which are installing or reinstalling [Watchman](https://facebook.github.io/watchman/).
+
 ## lint
 
 The `lint` command lints all files in the `src/` directory using ESLint.