fix test-watch on readme

Author: Foxandxss

README.md

@@ -36,7 +36,7 @@ All scripts are run with `npm run [script]`, for example: `npm run test`.
 * `build` - generate a minified build to dist folder
 * `start` - start development server, try it by opening `http://localhost:8080/`
 * `test` - run all tests
-* `test-live` - continuously run unit tests watching for changes
+* `test-watch` - continuously run unit tests watching for changes
 
 See what each script does by looking at the `scripts` section in [package.json](./package.json).