Add test coverage for layout_builder_entity_view_alter()

Thank you, test still fails

Pushed up a new commit that fixes the deprecation error, this is ready for review

Thank you!

Just adding a test MR to prove the conjecture that there is no test coverage of this.

alexpott → closed merge request !6685

Committed and pushed 82ba8f541e to 11.x and 893c57fe9a to 10.3.x and 35adb459bc to 10.2.x. Thanks!

Backported to 10.2.x as this is adding a test.

Automatically closed - issue fixed for 2 weeks with no activity.