Autofix Rubocop RSpec/ImplicitSubject (#23721)

spec/lib/html_aware_formatter_spec.rb

@@ -9,7 +9,7 @@ RSpec.describe HtmlAwareFormatter do
       let(:text) { 'Foo bar' }
 
       it 'returns formatted text' do
-        is_expected.to eq '<p>Foo bar</p>'
+        expect(subject).to eq '<p>Foo bar</p>'
       end
     end
 
@@ -20,7 +20,7 @@ RSpec.describe HtmlAwareFormatter do
         let(:text) { 'Beep boop' }
 
         it 'keeps the plain text' do
-          is_expected.to include 'Beep boop'
+          expect(subject).to include 'Beep boop'
         end
       end
 
@@ -28,7 +28,7 @@ RSpec.describe HtmlAwareFormatter do
         let(:text) { '<script>alert("Hello")</script>' }
 
         it 'strips the scripts' do
-          is_expected.to_not include '<script>alert("Hello")</script>'
+          expect(subject).to_not include '<script>alert("Hello")</script>'
         end
       end
 
@@ -36,7 +36,7 @@ RSpec.describe HtmlAwareFormatter do
         let(:text) { '<span class="mention  status__content__spoiler-link">Show more</span>' }
 
         it 'strips the malicious classes' do
-          is_expected.to_not include 'status__content__spoiler-link'
+          expect(subject).to_not include 'status__content__spoiler-link'
         end
       end
     end