Better instructions on tests and linking

README.md

@@ -158,20 +158,20 @@ npm run dev
 
 You can make changes locally to Svelte and test it against any Svelte project. You can also use a [default template](https://github.com/sveltejs/template) for development. Instruction on setup are found in that project repository.
 
-From the root of your local svelte git checkout:
+From your project:
 
 ```bash
-npm link
+cd ~/path/to/your-svelte-project
+npm install ~/path/to/svelte
 ```
 
-Then, to link from your Svelte project:
+And you should be good to test changes locally.
 
-```
-cd your-svelte-project
-npm link svelte
-```
+To undo this and link to the official latest Svelte release, just run:
 
-And you should be good to test changes locally.
+```bash
+npm install svelte@latest
+```
 
 ### Running Tests
 
@@ -179,6 +179,14 @@ And you should be good to test changes locally.
 npm run test
 ```
 
+For running single tests, you can use pattern matching:
+
+```bash
+npm run test -- -g "includes AST in svelte.compile output"
+```
+
+Alternately, you can add `solo: true` to any given `test/../_config.js` file, but **remember never to commit that setting.**
+
 ## License
 
 [MIT](LICENSE)