1 files changed, 15 insertions, 0 deletions
diff --git a/spec/models/concerns/disables_sti_spec.rb b/spec/models/concerns/disables_sti_spec.rb
new file mode 100644
index 00000000000..07eea635289
--- /dev/null
+++ b/spec/models/concerns/disables_sti_spec.rb
@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe DisablesSti, feature_category: :shared do
+  describe '.allow_legacy_sti_class' do
+    it 'is nil by default' do
+      expect(ApplicationRecord.allow_legacy_sti_class).to eq(nil)
+    end
+
+    it 'is true on legacy models' do
+      expect(PersonalSnippet.allow_legacy_sti_class).to eq(true)
+    end
+  end
+end