Add antenna pick posts test

spec/services/fan_out_on_write_service_spec.rb

@@ -133,7 +133,7 @@ RSpec.describe FanOutOnWriteService, type: :service do
       let!(:antenna) { antenna_with_account(bob, alice) }
       let!(:empty_antenna) { antenna_with_account(tom, alice) }
 
-      it 'is added to the list feed of list follower' do
+      it 'is added to the antenna feed of antenna follower' do
         expect(antenna_feed_of(antenna)).to include status.id
         expect(antenna_feed_of(empty_antenna)).to_not include status.id
       end