Fix spec for CI

lib/custom_wizard/builder.rb

@@ -299,7 +299,7 @@ class CustomWizard::Builder
         
     case template['choices_preset']
     when 'categories'
-      objects = site.categories
+      objects = Set.new(Category.topic_create_allowed(guardian))
     when 'groups'
       objects = site.groups
     when 'tags'

spec/components/custom_wizard/builder_spec.rb

@@ -192,6 +192,7 @@ describe CustomWizard::Builder do
       end
       
       it 'returns a preset dropdown' do
+        SiteSetting.allow_uncategorized_topics = false
         template['steps'][0]['fields'][0] = dropdown_categories_field
         choices = build_wizard(template, user).steps[0].fields[0].choices
         expect(choices.present?).to eq(true)