set WarningsAsErrors = true

MetaNodes/Tests/TestLogger.cs

@@ -24,11 +24,13 @@ namespace MetaNodes.Tests
         {
             if (args == null || args.Length == 0)
                 return;
+#pragma warning disable IL2026
             string message = type + " -> " +
                 string.Join(", ", args.Select(x =>
                 x == null ? "null" :
                 x.GetType().IsPrimitive || x is string ? x.ToString() :
                 System.Text.Json.JsonSerializer.Serialize(x)));
+#pragma warning restore IL2026
             Messages.Add(message);
         }
 

MetaNodes/Tests/TheMovieDb/MovieLookupTests.cs

@@ -186,10 +186,12 @@ public class MovieLookupTests
         
         var md = MovieLookup.GetVideoMetadata(args, movieApi, 414906, @"D:\videos\temp");
         Assert.IsNotNull(md);
+#pragma warning disable IL2026
         string json = System.Text.Json.JsonSerializer.Serialize(md, new System.Text.Json.JsonSerializerOptions
         {
             WriteIndented = true
         });
+#pragma warning restore IL2026
         File.WriteAllText(@"D:\videos\metadata.json", json);
     }
     [TestMethod]