It’s confusing unless you’re following the changes closely and see the entire picture, and perhaps even if you are. The Daily Herald is a few day’s late on some of this.

The original story gives the requirements (test, 7-day quarantine, 2nd test) for travelers from France to the French islands.

The most recent story lifts the travel restrictions between the French islands. Previously, self-certification that you were traveling for one of a specific list of reasons was required. That restriction is no longer in effect between the islands, but remains in effect for travel from France until June 22.