Add API endpoints to view and revoke one's quoted posts (#35578)

spec/serializers/activitypub/delete_quote_authorization_serializer_spec.rb

@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe ActivityPub::DeleteQuoteAuthorizationSerializer do
+  subject { serialized_record_json(quote, described_class, adapter: ActivityPub::Adapter) }
+
+  describe 'serializing an object' do
+    let(:status) { Fabricate(:status) }
+    let(:quote) { Fabricate(:quote, quoted_status: status, state: :accepted, approval_uri: "https://#{Rails.configuration.x.web_domain}/approvals/1234") }
+
+    it 'returns expected attributes' do
+      expect(subject.deep_symbolize_keys)
+        .to include(
+          actor: eq(ActivityPub::TagManager.instance.uri_for(status.account)),
+          object: quote.approval_uri,
+          type: 'Delete'
+        )
+    end
+  end
+end