Fix intermittent failure with order dependent RankedTrend locales pluck (#39338)

spec/support/examples/models/concerns/ranked_trend.rb

@@ -34,7 +34,7 @@ RSpec.shared_examples 'RankedTrend' do
 
     it 'returns unique set of languages' do
       expect(described_class.locales)
-        .to eq(['en', 'es'])
+        .to contain_exactly('en', 'es')
     end
   end