Autofix Rubocop RSpec/MatchArray (#24675)

spec/models/account_filter_spec.rb

@@ -50,17 +50,17 @@ describe AccountFilter do
 
     it 'works with @ at the beginning of the username' do
       filter = described_class.new(username: '@validUserName')
-      expect(filter.results).to match_array [local_account]
+      expect(filter.results).to contain_exactly(local_account)
     end
 
     it 'does not work with more than one @ at the beginning of the username' do
       filter = described_class.new(username: '@@validUserName')
-      expect(filter.results).to_not match_array [local_account]
+      expect(filter.results).to_not contain_exactly(local_account)
     end
 
     it 'does not work with @ outside the beginning of the username' do
       filter = described_class.new(username: 'validUserName@')
-      expect(filter.results).to_not match_array [local_account]
+      expect(filter.results).to_not contain_exactly(local_account)
     end
   end
 end