test: replace deprecated AddRow with Add in theory data

Author: perkops

test/Atc.Test.Tests/ClassAutoNSubstituteDataAttributeTests.cs

@@ -6,9 +6,9 @@ public class TestData : TheoryData<SampleEnum>
     {
         public TestData()
         {
-            AddRow(SampleEnum.One);
-            AddRow(SampleEnum.Two);
-            AddRow(SampleEnum.Three);
+            Add(SampleEnum.One);
+            Add(SampleEnum.Two);
+            Add(SampleEnum.Three);
         }
     }