Update README to align with app-template-react

Author: jihchi

README.md

@@ -24,18 +24,15 @@ Open http://localhost:8080 to view it in the browser.
 The page will reload if you make edits.
 You will also see any lint errors in the console.
 
-### npm test
-
-Launches the test runner in the interactive watch mode.
-See the section about running tests for more information.
-
 ### npm run build
 
 Builds a static copy of your site to the `build/` folder.
 Your app is ready to be deployed!
 
-**For the best production performance:** Add a build bundler plugin like "@snowpack/plugin-webpack" or "@snowpack/plugin-parcel" to your `snowpack.config.json` config file.
+**For the best production performance:** Add a build bundler plugin like "@snowpack/plugin-webpack" to your `snowpack.config.js` config file.
+
+### npm test
 
-### Q: What about Eject?
+Launches the application test runner.
+Run with the `--watch` flag (`npm test -- --watch`) to run in interactive watch mode.
 
-No eject needed! Snowpack guarantees zero lock-in, and CSA strives for the same.