request.rb in rspec-api-0.2.0

- old
+ new

@@ -1,5 +1,6 @@
+require 'rack/utils'
 require 'rspec-api/dsl/request/status'
 require 'rspec-api/dsl/request/headers'
 require 'rspec-api/dsl/request/body'
 
 module DSL
@@ -49,10 +50,10 @@
       def to_code(status_symbol)
         Rack::Utils.status_code status_symbol
       end
 
       def has_entity_body?(status_code)
-        Rack::Utils::STATUS_WITH_NO_ENTITY_BODY.exclude? status_code
+        !Rack::Utils::STATUS_WITH_NO_ENTITY_BODY.include? status_code
       end
 
       def success?(status_code)
         has_entity_body?(status_code) && status_code < 400
       end
\ No newline at end of file