yield entire response instead of only the body

rswag-specs/lib/rswag/specs/response_validator.rb

@@ -48,7 +48,7 @@ module Rswag
           raise UnexpectedResponse, "Expected response body to match schema: #{ex.message}"
         end
 
-        block.call(JSON.parse(body)) if block_given?
+        block.call(body) if block_given?
       end
     end
 

rswag-specs/spec/rswag/specs/response_validator_spec.rb

@@ -46,7 +46,8 @@ module Rswag
           context "'block' provided" do
             let(:call) do
               subject.validate!(response) do |body|
-                expect(body['text']).to eq('Some comment')
+                data = JSON.parse(body)
+                expect(data['text']).to eq('Some comment')
               end
             end