test: reclassify countries-of-the-world gap:207 -> gap:217

The #207 scan fix unblocks decode; the remaining export failure is CSV
rendering of StructArray columns, tracked separately as #217.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Author: dfa1

integration/src/test/resources/raincloud/expected-status.csv

@@ -81,7 +81,7 @@ cohere-wikipedia-simple-embed,untriaged
 coig,untriaged
 coronahack-chest-xraydataset,untriaged
 cosmopedia-stanford,untriaged
-countries-of-the-world,gap:207
+countries-of-the-world,gap:217
 covid-world-vaccination-progress,untriaged
 covid19-data-from-john-hopkins-university,untriaged
 crimes-in-boston,untriaged