Use the InvariantCulture to ensure consistency.

Author: LoopedBard3

src/tools/Reporting/Reporting/Run.cs

@@ -21,5 +21,5 @@ public class Run
 
     public string WorkItemName { get; set; }
 
-    public IDictionary<string, string> Configurations { get; set; } = new SortedDictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+    public IDictionary<string, string> Configurations { get; set; } = new SortedDictionary<string, string>(StringComparer.InvariantCultureIgnoreCase);
 }