Only show marquee for selected item (#7180)

* only show marquee for selected item

* Revert "only show marquee for selected item"

This reverts commit d17af210c2.

* revert change made in #6767

* create framework for displayLayout visual test

* WIP create display layout for test

* only show marquee for selected

* fix selection of object in nested layout

* fix grid and code cleanup

* add child layouts side by side

* code cleanup

* externalize setup for reuse in multiple tests

* write marquee and grid tests

* fix object in layout locator

* fix nested layout selector

* add aria label to layouts

* fix layout locator

* add jsdoc for test setup function

* make test more efficient

* cleanup and linting

* update locator

* update locators

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Co-authored-by: John Hill <john.c.hill@nasa.gov>

e2e/tests/functional/plugins/plot/autoscale.e2e.spec.js

@@ -68,7 +68,7 @@ test.describe('Autoscale', () => {
     // save
     await page.click('button[title="Save"]');
     await Promise.all([
-      page.locator('li[title = "Save and Finish Editing"]').click(),
+      page.getByRole('listitem', { name: 'Save and Finish Editing' }).click(),
       //Wait for Save Banner to appear
       page.waitForSelector('.c-message-banner__message')
     ]);