setup commands to allow running tests from project root instead of just builder package

CONTRIBUTING.md

@@ -166,6 +166,16 @@ rm -rf ~/.budibase
 ```
 Follow from **Step 3. Install and Build** in the setup guide above. You should have a fresh Budibase installation.
 
+### Running tests
+
+#### End-to-end Tests
+
+Budibase uses Cypress to run a number of E2E tests. To run the tests execute the following command:
+
+```
+yarn test:e2e
+```
+
 
 ### Other Useful Information
 

package.json

@@ -24,7 +24,8 @@
     "test": "lerna run test",
     "lint": "eslint packages",
     "lint:fix": "eslint --fix packages",
-    "format": "prettier --write \"{,!(node_modules)/**/}*.{js,jsx,svelte}\""
+    "format": "prettier --write \"{,!(node_modules)/**/}*.{js,jsx,svelte}\"",
+    "test:e2e": "lerna run cy:test"
   },
   "dependencies": {
     "@material/icon-button": "4.0.0",