Follow Rubocop's style suggestions

lib/rspec/rails/swagger/formatter.rb

@@ -17,19 +17,19 @@ module RSpec
         end
 
         def example_group_started(notification)
-          output.print *group_output(notification)
+          output.print(*group_output(notification))
         end
 
         def example_passed(notification)
-          output.print RSpec::Core::Formatters::ConsoleCodes.wrap(example_output(notification), :success)
+          output.print(RSpec::Core::Formatters::ConsoleCodes.wrap(example_output(notification), :success))
         end
 
         def example_pending(notification)
-          output.print RSpec::Core::Formatters::ConsoleCodes.wrap(example_output(notification), :pending)
+          output.print(RSpec::Core::Formatters::ConsoleCodes.wrap(example_output(notification), :pending))
         end
 
         def example_failed(notification)
-          output.print RSpec::Core::Formatters::ConsoleCodes.wrap(example_output(notification), :failure)
+          output.print(RSpec::Core::Formatters::ConsoleCodes.wrap(example_output(notification), :failure))
         end
 
         def example_finished(notification)

lib/rspec/rails/swagger/request_builder.rb

@@ -99,7 +99,8 @@ module RSpec
         def body
           # And here all we need is the first half of the key to find the body
           # parameter and its name to fetch a value.
-          if key = parameters(:body).keys.first
+          key = parameters(:body).keys.first
+          if key
             instance.send(key.split('&').last).to_json
           end
         end