Update README.md

Author: tobikli

README.md

@@ -1,39 +1,47 @@
 # Theia Scale Tests
 
-This repository provides E2E integration tests for the [Theia Cloud IDE](https://theia-cloud.io) regarding scalability.
+[![Playwright Tests](https://github.com/ls1intum/theia-scale-tests/actions/workflows/playwright.yml/badge.svg)](https://github.com/ls1intum/theia-scale-tests/actions/workflows/playwright.yml)
+
+---
+
+This repository provides E2E integration tests for the [Theia Cloud IDE](https://theia-cloud.io). It uses Playwright to simulate real world usage of Online IDE's in large classroom settings.
+
 
 ## Information
 
 - Tests are written using [Playwright](https://playwright.dev)
-- Scaled tests run via the Playwright [Artillery](https://artillery.io) Framework (Potentially)
+- Scaled tests (potentially) run via the Playwright [Artillery](https://artillery.io) Framework
 
-## For Development
+## Setup
 
-- Single User Playwright Tests are run using a Test Account for Keycloak, to change the Test User, change the environment variables in GitHub Secrets \
--> Settings -> Secrets and variables -> Actions -> Secrets -> Repository Secrets \
-or [here](https://github.com/ls1intum/theia-scale-tests/settings/secrets/actions)
+- Install dependencies
+  ```bash
+  npm install
+  ```
+  
 - To run the tests on the deployed Theia instance, run:
-
   ```bash
   npx playwright test --project=deployed
   ```
 
 - To run tests locally using a Theia Instance on localhost, change the environment variable to the corresponding port and run the tests using:
-
   ```bash
   npx playwright test --project=local
   ```
 
-- To run every test, simply run:
-
+- To run every test (requires local Theia instance), simply run:
   ```bash
   npx playwright test
   ```
 
-- Test files that allow local testing (testing without Landing Page and Keycloak) have the following file ending:
 
-  ```none
-  *.ide.spec.ts
-  ```
 
-- Set the corresponding URLs in the `global.config.ts` file
+## Development
+
+  - Single User Playwright Tests are run using a Test Account for Keycloak, to change the Test User, change the environment variables in GitHub Secrets \
+-> Settings -> Secrets and variables -> Actions -> Secrets -> Repository Secrets \
+
+  - Test files that allow local testing (testing without Landing Page and Keycloak) have the following file ending:
+    ```none
+    *.ide.spec.ts
+    ```