Final TouchableOpacity functional tests with documentation

Co-authored-by: anupriya13 <54227869+anupriya13@users.noreply.github.com>

Author: Copilot

packages/e2e-test-app-fabric/test/TouchableComponentTest.test.ts

@@ -157,6 +157,11 @@ describe('TouchableOpacity Tests', () => {
     await searchBox('');
   });
 
+  // Note: TouchableOpacity activeOpacity testing would require a test component
+  // with dynamic activeOpacity property changes, which is not currently available
+  // in the existing examples. Such testing would need a new TouchableOpacity
+  // example that updates its activeOpacity value based on state changes.
+
   test('TouchableOpacity should fire action upon press', async () => {
     await searchBox('fee');
     const component = await app.findElementByTestID(