<PackageReference Include="NUnit" Version="3.6.0" />

DescriptionAttribute

public sealed class DescriptionAttribute : PropertyAttribute
Attribute used to provide descriptive text about a test case or fixture.
using System; namespace NUnit.Framework { [AttributeUsage(AttributeTargets.Assembly | AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = false, Inherited = false)] public sealed class DescriptionAttribute : PropertyAttribute { public DescriptionAttribute(string description) : base("Description", description) { } } }