Fix format-personal-collection-name-length-test (#37783)

test/metabase/models/collection_test.clj

@@ -39,8 +39,8 @@
 (deftest format-personal-collection-name-length-test
   (testing "test that an unrealistically long collection name with unicode letters is still less than the max length for a slug (metabase#33917)"
     (mt/with-temporary-setting-values [site-locale "ru"]
-      (is (< (count (#'collection/slugify (collection/format-personal-collection-name (repeat 20 "\u0411") ; Cyrillic "b" character
-                                                                                      (repeat 20 "\u0411")
+      (is (< (count (#'collection/slugify (collection/format-personal-collection-name (apply str (repeat 34 "Б"))
+                                                                                      (apply str (repeat 35 "Б"))
                                                                                       "MetaBase@metabase.com"
                                                                                       :site)))
              (var-get #'collection/collection-slug-max-length))))))