example group helper adjustment

rswag-specs/spec/rswag/specs/example_group_helpers_spec.rb

@@ -137,9 +137,10 @@ module Rswag
       end
 
       describe '#examples(example)' do
+        let(:mime) { 'application/json' }
         let(:json_example) do
           {
-            'application/json' => {
+            mime => {
               foo: 'bar'
             }
           }
@@ -151,7 +152,11 @@ module Rswag
         end
 
         it "adds to the 'response examples' metadata" do
-          expect(api_metadata[:response][:examples]).to eq(json_example)
+          expect(api_metadata[:response][:content]).to match(
+            mime => {
+              example: json_example[mime]
+            }
+          )
         end
       end
     end