anchor.diff:  
   %% tests to run
   all() ->
  -    [ testComputeFractalData2EOL, testComputeFractalData2addRow, testMakeDataFile ].
  +    [
  +     testComputeFractalData2EOL,
  +     testComputeFractalData2addRow,
  +     testMakeData,
  +     testMakeDataFile
  +     ].
   
   %% timeout if no reply in a minute
  -suite() -> 
  +suite() ->
       [{timetrap,{minutes,2}}].
   
   %% setup config parameters
  -init_per_suite(Config) -> 
  +init_per_suite(Config) ->
       [ {fractalAlg,julian},
         {cReal,0.5 },
         {cImaginary,0.6 },
  
positive.code: 
      % see if computeFractalData correctly comes back at end of row
      RowsOut = simpleFractal:computeFractalData( RowsIn, ThisRow,
                 XPix, XR, DeltaX, Width,  
                 YPix, YI, DeltaY, Height,  % only height matters
                 ConfigMap),
  
  
negative.code: 
      % see if computeFractalData computes more data
      RowsOut = simpleFractal:computeFractalData( RowsIn, ThisRow,
                 XPix, XR, DeltaX, Width,
                 YPix, YI, DeltaY, Height,
                 ConfigMap),
  
      %% is output what was expected?
  