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//Ref. Liu pathways/Test Automation project, ColorSwatchImageTest.cs
//Any() determines if the sequence contains any elements
//Add() adds a string to the end of a StringColleciton
//Creation of a String List object -- 'errors' -- 
var errors = new List<string>();

//Adding to the list. This was originally housed in if statement block
 errors.Add(String.Format("{0} ext color image missing: {1}", seriesName, exteriorUrl));
 return;


//If any errors occur, write to the console for each.  
   if (!errors.Any()) return;
errors.ForEach(Console.WriteLine);