Failure/Error: SomeXml.build_xml_header.to_s.gsub(/\ {2,}/, "").gsub("\n","").gsub("\t","").should == xml_header.gsub(/\ {2,}/, "").gsub("\n","").gsub("\t","")
     expected: "<?xml version=\"1.0\" encoding=\"utf-8\"?><FileSpec><Header><Version>1.0</Version><DateTime>2010-10-17T10:41:18</DateTime><Sequence>3</Sequence><ClientID>ATR</ClientID><FileType>FUD</FileType></Header></FileSpec>",
          got: "<?xml version=\"1.0\" encoding=\"UTF-8\"?><FileSpec><Header><Version>1.0</Version><DateTime>2010-10-17T10:41:18</DateTime><Sequence>3</Sequence><ClientID>ATR</ClientID><FileType>FUD</FileType></Header></FileSpec>" (using ==)