The #hash method was renamed to #data. (#2076)

See here: rails/rails@a2be6ce

Author: Sam Phippen

spec/rspec/rails/example/view_example_group_spec.rb

@@ -272,7 +272,7 @@ def _view
         result = view_spec.view.view_paths.first
 
         expect(result).to be_instance_of(ActionView::FixtureResolver)
-        expect(result.hash).to eq('some_path/some_template' => 'stubbed-contents')
+        expect(result.data).to eq('some_path/some_template' => 'stubbed-contents')
       end
 
       it 'caches FixtureResolver instances between example groups' do