Add Status::Visibility concern to hold visibility logic (#33578)

spec/models/status_spec.rb

@@ -9,6 +9,8 @@ RSpec.describe Status do
   let(:bob)   { Fabricate(:account, username: 'bob') }
   let(:other) { Fabricate(:status, account: bob, text: 'Skulls for the skull god! The enemy\'s gates are sideways!') }
 
+  include_examples 'Status::Visibility'
+
   describe '#local?' do
     it 'returns true when no remote URI is set' do
       expect(subject.local?).to be true
@@ -84,36 +86,6 @@ RSpec.describe Status do
     end
   end
 
-  describe '#hidden?' do
-    context 'when private_visibility?' do
-      it 'returns true' do
-        subject.visibility = :private
-        expect(subject.hidden?).to be true
-      end
-    end
-
-    context 'when direct_visibility?' do
-      it 'returns true' do
-        subject.visibility = :direct
-        expect(subject.hidden?).to be true
-      end
-    end
-
-    context 'when public_visibility?' do
-      it 'returns false' do
-        subject.visibility = :public
-        expect(subject.hidden?).to be false
-      end
-    end
-
-    context 'when unlisted_visibility?' do
-      it 'returns false' do
-        subject.visibility = :unlisted
-        expect(subject.hidden?).to be false
-      end
-    end
-  end
-
   describe '#content' do
     it 'returns the text of the status if it is not a reblog' do
       expect(subject.content).to eql subject.text