Enable Rubocop RSpec/NotToNot (#23723)

spec/lib/activitypub/activity/announce_spec.rb

@@ -139,7 +139,7 @@ RSpec.describe ActivityPub::Activity::Announce do
         end
 
         it 'does not fetch the remote status' do
-          expect(a_request(:get, 'https://example.com/actor/hello-world')).not_to have_been_made
+          expect(a_request(:get, 'https://example.com/actor/hello-world')).to_not have_been_made
           expect(Status.find_by(uri: 'https://example.com/actor/hello-world')).to be_nil
         end
 

spec/lib/request_spec.rb

@@ -102,7 +102,7 @@ describe Request do
 
     it 'accepts body less than 1 megabyte by default' do
       stub_request(:any, 'http://example.com').to_return(body: SecureRandom.random_bytes(2.kilobytes))
-      expect { subject.perform { |response| response.body_with_limit } }.not_to raise_error
+      expect { subject.perform { |response| response.body_with_limit } }.to_not raise_error
     end
 
     it 'rejects body by given size' do

spec/lib/status_filter_spec.rb

@@ -10,7 +10,7 @@ describe StatusFilter do
       subject { described_class.new(status, nil) }
 
       context 'when there are no connections' do
-        it { is_expected.not_to be_filtered }
+        it { is_expected.to_not be_filtered }
       end
 
       context 'when status account is silenced' do
@@ -36,7 +36,7 @@ describe StatusFilter do
       subject { described_class.new(status, account) }
 
       context 'when there are no connections' do
-        it { is_expected.not_to be_filtered }
+        it { is_expected.to_not be_filtered }
       end
 
       context 'when status account is blocked' do

spec/lib/text_formatter_spec.rb

@@ -18,7 +18,7 @@ RSpec.describe TextFormatter do
       let(:text) { "line\nfeed" }
 
       it 'removes line feeds' do
-        is_expected.not_to include "\n"
+        is_expected.to_not include "\n"
       end
     end