docs(playwright): update navigation test documentation

Author: Onibenjo

tests/playwright/tests/navigation/README.md

@@ -14,7 +14,7 @@ This directory contains end-to-end tests for the Canonical.com navigation system
 - **Click Interactions**: Tests dropdown behavior on mobile/touch devices
 - **Link Validation**: Verifies all dropdown links are functional and lead to valid pages
 - **Content Verification**: Ensures dropdown content matches navigation.yaml structure
-- **Closing Behavior**: Verifies dropdown collapses when clicking outside the navigation
+- **Closing Behavior**: Verifies dropdown collapses when clicking the same item or outside the navigation
 - **ARIA Buttons**: Ensures dropdown buttons have `aria-controls` and `tabindex="0"`
 
 ### Search Functionality Tests
@@ -86,7 +86,7 @@ npx playwright test --project=navigation --reporter=html
 
 You can also generate an HTML report using the script:
 ```bash
-./scripts/test-navigation.sh --suite navigation --reporter html
+./scripts/e2e-test.sh --suite navigation --reporter html
 ```
 
 ## Test Data Sources
@@ -107,14 +107,12 @@ Core data and constants:
 Navigation helpers:
 - `acceptCookiePolicy()`: Handles cookie consent banner
 - `navigateToHomepage()`: Navigates to the homepage and prepares clean state
-- `waitForNavigationLoad()`: Ensures navigation is fully loaded
 - `isElementVisible()`: Convenience visibility check for selectors
 - `isMobileViewport()`: Returns true if current viewport is mobile-sized
-- `openMobileMenuIfNeeded()` / `closeMobileMenu()`: Mobile menu controls
-- `openNavigationDropdown()`: Opens dropdowns by clicking `.js-dropdown-button`
+- `toggleMobileMenuIfNeeded()`: Toggles the mobile menu when in mobile viewport
 - `clickNavigationItem()`: Clicks a primary navigation item
 - `isDropdownOpen()`: Checks if a dropdown is currently expanded
-- `getDropdownLinks()`: Extracts dropdown link texts and hrefs
+- `getDropdownLinks()`: Extracts dropdown link texts (first few links validated for href)
 - `clickSearchButton()`: Opens the search overlay via the toolbar button
 - `testSearchFunctionality()`: Performs a search and validates navigation
 - `hasSecondaryNavigation()` / `getSecondaryNavigationItems()`: Secondary menu helpers