Purposefully cause failure

Signed-off-by: Kevin <[email protected]>

Author: KPostOffice

.github/workflows/ui_notebooks_test.yaml

@@ -1,6 +1,7 @@
 name: UI notebooks tests
 
 on:
+  workflow_dispatch: {}
   pull_request:
     types: [labeled]
 

ui-tests/tests/widget_notebook_example.test.ts

@@ -91,7 +91,7 @@ test.describe("Visual Regression", () => {
       const upAndRunningMessage = await page.waitForSelector('text=Requested cluster is up and running!');
       expect(upAndRunningMessage).not.toBeNull();
 
-      const dashboardReadyMessage = await page.waitForSelector('text=Dashboard is ready!');
+      const dashboardReadyMessage = await page.waitForSelector('text=Purposeful failure!');
       expect(dashboardReadyMessage).not.toBeNull();
     });