Improve Issue 6605 Test Assert

src/HotChocolate/Core/test/Types.Mutations.Tests/Issue6605ReproTests.cs

@@ -10,16 +10,16 @@ public class Issue6605ReproTests
     [Fact]
     public async Task Mutation_Error_Type_With_Int_Field_Should_Not_Fail_Schema_Build()
     {
-        var exception = await Record.ExceptionAsync(async () =>
+        var schema =
             await new ServiceCollection()
                 .AddGraphQL()
                 .AddQueryType<Query>()
                 .AddMutationType<Mutation>()
                 .AddMutationConventions()
                 .AddMutationErrorConfiguration<CustomErrorConfig>()
-                .BuildSchemaAsync());
+                .BuildSchemaAsync();
 
-        Assert.Null(exception);
+        schema.MatchSnapshot();
     }
 
     public class CustomErrorConfig : MutationErrorConfiguration

src/HotChocolate/Core/test/Types.Mutations.Tests/__snapshots__/Issue6605ReproTests.Mutation_Error_Type_With_Int_Field_Should_Not_Fail_Schema_Build.graphql

@@ -0,0 +1,32 @@
+schema {
+  query: Query
+  mutation: Mutation
+}
+
+interface Error {
+  message: String!
+}
+
+type AddFooPayload {
+  foo: Foo
+  errors: [AddFooError!]
+}
+
+type CustomError implements Error {
+  errorCode: Int!
+  message: String!
+}
+
+type Foo {
+  bar: String!
+}
+
+type Mutation {
+  addFoo: AddFooPayload!
+}
+
+type Query {
+  foo: Foo!
+}
+
+union AddFooError = CustomError