This should be shown because it is inside an island.

This should not be shown because it is inside an island.

This should be shown because it is inside an inner block of an isolated island.

This should not have two template wrappers because that means we hydrated twice.

This should not be shown because even though it is inside an inner block of an isolated island, it's inside an new island.

The directive above should keep the `tovdom-island` namespace, so this message should not be visible.