PXBF-1933-cypress-documantation-update: update README for cypress tes…

…ting

benefit-finder/README.md

@@ -304,12 +304,30 @@ function Value = ({ children }) => (<div className="wrapper">{children}</div>)
 
 #### **5. Testing**
 
+# Vitest for unit/DOM testing
+
 We use [Vitest](https://vitest.dev/) for Unit/DOM testing
 
 ```sh
 npm run test
 ```
 
+# Cypress for UI E2E Test
+
+## Commands
+
+### `cy:run:e2e`
+
+**Description:**
+Runs the end-to-end (E2E) tests in the test environment using the Chrome browser.
+
+### `cy:run:prod:links:e2e`
+
+**Description:**
+Runs the E2E tests using the production configuration for testing links, with the Chrome browser.
+
+For more information, refer to the [Cypress Documentation](https://docs.cypress.io).
+
 <br>
 
 #### **6. Components**