anchor.diff:              requestBody = "",
               requestHeaders = testData.headers,
               requestParams = testData.urlParams,
  -            accessKey = variables.accessKey,
  -            secretKey = variables.secretKey,
  -            regionName = variables.regionName,
  -            serviceName = variables.serviceName,
  -            amzDate = variables.amzDate,
  -            dateStamp = variables.dateStamp
  +            accessKey = config.accessKey,
  +            secretKey = config.secretKey,
  +            regionName = config.regionName,
  +            serviceName = config.serviceName,
  +            amzDate = config.amzDate,
  +            dateStamp = config.dateStamp
             );
   
             expect( sigData.canonicalRequest ).toBe( testData.canonicalRequest );
  
positive.code:           expect( sigData.authorizationHeader ).toBe( testData.authHeader );
          } );
  
        } );
  
  
  
        describe( "post-vanilla-query" , function() {
  
          it( "generateSignatureData", function() {
            // The following four are derived from the "credential scope" listed in the
            // SigV4 Test Suite docs at
            // https://docs.aws.amazon.com/general/latest/gr/signature-v4-test-suite.html
            variables.accessKey = "AKIDEXAMPLE";
            variables.dateStamp = "20150830";
            variables.regionName = "us-east-1";
            variables.serviceName = "service";
  
            // This is derived from the files in the SigV4 Test Suite.
            variables.amzDate = "#variables.dateStamp#T123600Z";
  
            // This comes straight from the SigV4 Test Suite docs.
            variables.secretKey = "wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY";
  
            var testData = fixtureData( "post-vanilla-query-s3" );
  
            var sigData = sv4.generateSignatureData(
  
negative.code:             requestBody = "",
              requestHeaders = testData.headers,
              requestParams = testData.urlParams,
              accessKey = config.accessKey,
              secretKey = config.secretKey,
              regionName = config.regionName,
              serviceName = config.serviceName,
              amzDate = config.amzDate,
              dateStamp = config.dateStamp
            );
  
            expect( sigData.canonicalRequest ).toBe( testData.canonicalRequest );
  