test: 1316 - E2E tests for /local (#1379)

* 1316 - E2E tests for /local

* fix test title

* update yarn.lock

* Increased timeout for thumbnails

* Removing PDF file test from script-tag server

Co-authored-by: Danny Brown <danny.ri.brown@gmail.com>

platform/viewer/cypress/support/commands.js

@@ -1,4 +1,5 @@
 import '@percy/cypress';
+import 'cypress-file-upload';
 import { DragSimulator } from '../helpers/DragSimulator.js';
 import {
   initCornerstoneToolsAliases,