<PackageReference Include="NUnit" Version="3.7.0" />

OrderAttribute

Defines the order that the test will run in
using NUnit.Framework.Interfaces; using NUnit.Framework.Internal; using System; namespace NUnit.Framework { [AttributeUsage(AttributeTargets.Method, AllowMultiple = false, Inherited = true)] public class OrderAttribute : NUnitAttribute, IApplyToTest { public readonly int Order; public OrderAttribute(int order) { Order = order; } public void ApplyToTest(Test test) { if (!test.Properties.ContainsKey("Order")) test.Properties.Set("Order", Order); } } }