Attempt to fix failing tests

Author: tiny-ben-tran

src/test/ts/alien/Loader.tsx

@@ -1,4 +1,4 @@
-import { before, context } from '@ephox/bedrock-client';
+import { after, before, context } from '@ephox/bedrock-client';
 import { Fun, Optional } from '@ephox/katamari';
 import { Remove, SugarElement, SugarNode } from '@ephox/sugar';
 import { VersionLoader } from '@tinymce/miniature';
@@ -109,5 +109,13 @@ export const withVersion = (version: Version, fn: (render: RenderWithVersion) =>
     });
 
     fn(render as RenderWithVersion);
+
+    after(() => {
+      // remove script tag for version
+      const scriptTag = document.querySelector(`script[src*="tinymce-${version}"]`);
+      if (scriptTag) {
+        scriptTag.remove();
+      }
+    });
   });
 };

src/test/ts/browser/EditorBehaviorTest.ts

@@ -89,7 +89,7 @@ describe('EditorBehaviourTest', () => {
         await ctx.reRender({ onSetContent: eventStore.createHandler('onSetContent') });
 
         TinyAssertions.assertContent(ctx.editor, '<p>Initial Content</p>');
-        await Waiter.pWait(0); // Wait for React's state updates to complete before setting new content
+        await Waiter.pWait(100); // Wait for React's state updates to complete before setting new content
         ctx.editor.setContent('<p>New Content</p>');
 
         eventStore.each<SetContentEvent>('onSetContent', (events) => {
@@ -115,7 +115,7 @@ describe('EditorBehaviourTest', () => {
         eventStore.clearState();
         ctx.editor.setContent('<p>Initial Content</p>');
         await ctx.reRender({ onSetContent: eventStore.createHandler('NewHandler') });
-        await Waiter.pWait(0); // Wait for React's state updates to complete before setting new content
+        await Waiter.pWait(100); // Wait for React's state updates to complete before setting new content
         ctx.editor.setContent('<p>New Content</p>');
 
         eventStore.each<SetContentEvent>('InitialHandler', (events) => {
@@ -135,6 +135,7 @@ describe('EditorBehaviourTest', () => {
 
         eventStore.clearState();
       });
+
       it('INT-3226: onEditorChange is triggered only once after calling insertContent', async () => {
         using ctx = await render({ onEditorChange: eventStore.createHandler('onEditorChange') });
         const { editor } = ctx;