Add test coverage of the listing pages for each content type

The pipeline failed in previous approach due to a test failure caused because the interface LayoutEntityDisplayInterface extends SectionListInterface. This causes the following condition:

if (($display instanceof LayoutEntityDisplayInterface && $display->isLayoutBuilderEnabled()) || $display instanceof SectionListInterface) {

to be true for both Layout Builder enabled displays and displays without it, leading to test failures.

To fix this, I updated the code to get the default view display for the node's content type directly, instead of relying on the Layout Builder field list display object (Drupal\layout_builder\Field\LayoutSectionItemList).

$display_repository = $this->container->get(EntityDisplayRepositoryInterface::class);
$listing_page_display = $display_repository->getViewDisplay('node', $listing_page->bundle());

thejimbirch → credited pameeela → .

Adding credit based on the MR.

Tests failing, Moving back to Needs Work.

The issue arises because LayoutEntityDisplayInterface extends SectionListInterface, meaning that any display implementing LayoutEntityDisplayInterface is also an instance of SectionListInterface. This causes the condition

 ($display instanceof LayoutEntityDisplayInterface && $display->isLayoutBuilderEnabled()) || $display instanceof SectionListInterface )

to incorrectly include displays that are not layout-enabled (e.g., card/teaser displays) because they satisfy the instance of SectionListInterface check.