1. Harness for testing local changes to the `react-devtools-inline` and `react-devtools-shared` packages.

  2. 

  3. ## Development

  4. 

  5. This target should be run in parallel with the `react-devtools-inline` package. The first step then is to run that target following the instructions in the [`react-devtools-inline` README's local development section](https://github.com/facebook/react/tree/main/packages/react-devtools-inline#local-development).

  6. 

  7. The test harness can then be run as follows:

  8. ```sh

  9. cd packages/react-devtools-shell

  10. 

  11. yarn start

  12. ```

  13. 

  14. Once you set both up, you can view the test harness with inlined devtools in browser at http://localhost:8080/
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