should be it

external/duckdb/test/sql/storage/icu_collation.test

@@ -0,0 +1,32 @@
+# name: test/sql/storage/icu_collation.test
+# description: ATTACH to a database that uses ICU collations in types
+# group: [storage]
+
+require icu
+
+# The database is written with a vector size of 2048.
+require vector_size 2048
+
+unzip data/storage/german_collation.db.gz __TEST_DIR__/icu_collation.db
+
+load __TEST_DIR__/icu_collation.db readonly
+
+query I rowsort
+SELECT * FROM strings
+----
+Gabel
+Goethe
+Goldmann
+Göbel
+Göthe
+Götz
+
+query I
+SELECT * FROM strings ORDER BY 1
+----
+Gabel
+Göbel
+Goethe
+Goldmann
+Göthe
+Götz