test(glossy): repair utf-handling test

glossy/tests/utf-handling/test.typ

@@ -3,7 +3,7 @@
 #set text(lang: "cs", region: "CZ")
 
 #show: init-glossary.with(yaml("glossary.yml"))
-#glossary(ignore-case: true)
+#glossary(ignore-case: true, theme: theme-twocol)
 
 #line(length: 20em)