update docs

README.md

@@ -1,6 +1,6 @@
 # skraafoto_frontend
 
-`skraafoto_frontend` **(Skraafoto)** is an application that lets users browse **skewed arial photographs (skråfotos)** in a web browser.
+`skraafoto_frontend` **(Skraafoto)** is an application that lets users browse **oblique arial photographs (skråfotos)** in a web browser.
 Photographs are fetched using [Skråfoto STAC API](https://github.com/SDFIdk/skraafoto_stac_public/blob/main/dokumentation.md).
 
 The full documentation is available at https://sdfidk.github.io/skraafoto_frontend/
@@ -9,4 +9,6 @@ The full documentation is available at https://sdfidk.github.io/skraafoto_fronte
 - [Instructions for installation](https://sdfidk.github.io/skraafoto_frontend/tutorial-installing.html)
 - [System overview](https://sdfidk.github.io/skraafoto_frontend/tutorial-overview.html)
 
-Provided by *Styrelsen for Dataforsyning og Infrastruktur* 2022
+For information on running local servers and testing, see [Instructions for installation](https://sdfidk.github.io/skraafoto_frontend/tutorial-installing.html)
+
+Provided by *Styrelsen for Dataforsyning og Infrastruktur* 2023

docs/tutorials/installing.md

@@ -39,3 +39,20 @@ Run `npm run dev` to start a development server running locally at `localhost:80
 
 ## Build for production
 Run `npm run build` to make a production build. The built resources are saved in `dist/` folder; ready to be hosted along with the static assets in the `public` folder.
+
+## Run tests 
+
+### Playwright E2E tests
+You'll need to install Playwright dependencies **once** before running the E2E tests. 
+Do so with `npx playwright install --with-deps`
+
+Then make sure you have a local development server running. 
+Run `npm run dev` for this.
+
+Now you can run the test using:
+`npm run test`
+
+The Playwright test suite will present you with a HTML report if some tests fail.
+
+### Unit tests
+Unit tests are run with `npm run test-unit`