[sveltekit] Fix test options factory

Author: x0k

packages/sveltekit/src/lib/server/schema-value-parser.test.ts

@@ -13,6 +13,7 @@ const opts = ({
   uiSchema = {},
   idPrefix = 'root',
   idSeparator = '.',
+  idIndexSeparator = "@",
   idPseudoSeparator = '::',
   validator = createFormValidator(),
   merger = createMerger(),
@@ -30,6 +31,7 @@ const opts = ({
   entries,
   idPrefix,
   idSeparator,
+  idIndexSeparator,
   idPseudoSeparator,
   validator,
   merger,