Expanding test

Tests/Serialization/Gvwie/GeneratorPattern.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Esiur.Tests.Gvwie
+{
+    public enum GeneratorPattern
+    {
+        Uniform,
+        Positive,
+        Negative,
+        Alternating,
+        Small,
+        Ascending,
+    }
+}