feat(editor): Update copy: Execute --> Test (#8137)

## Summary

Title self explanatory


## Related tickets and issues
https://linear.app/n8n/issue/ADO-129/update-copy-execute-test

## Review / Merge checklist
- [x] PR title and summary are descriptive. **Remember, the title
automatically goes into the changelog. Use `(no-changelog)` otherwise.**
([conventions](https://github.com/n8n-io/n8n/blob/master/.github/pull_request_title_conventions.md))

packages/nodes-base/nodes/Interval/Interval.node.ts

@@ -28,7 +28,7 @@ export class Interval implements INodeType {
 		properties: [
 			{
 				displayName:
-					'This workflow will run on the schedule you define here once you <a data-key="activate">activate</a> it.<br><br>For testing, you can also trigger it manually: by going back to the canvas and clicking ‘execute workflow’',
+					'This workflow will run on the schedule you define here once you <a data-key="activate">activate</a> it.<br><br>For testing, you can also trigger it manually: by going back to the canvas and clicking test workflow’',
 				name: 'notice',
 				type: 'notice',
 				default: '',