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/editor-ui/src/components/Node.vue

@@ -112,7 +112,7 @@
 					text
 					icon="play"
 					:disabled="workflowRunning || isConfigNode"
-					:title="$locale.baseText('node.executeNode')"
+					:title="$locale.baseText('node.testStep')"
 					@click="executeNode"
 				/>
 				<n8n-icon-button