public final Handle openHandle() {
        return getJdbi().open();
    }
Open a new {@link Handle} to the used data source. Multiple calls to this method return multiple instances that are all connected to the same data
source.

@return A {@link Handle} object. The handle must be closed to release the database connection.
testing/src/main/java/org/jdbi/v3/testing/junit5/JdbiExtension.java